Algebra I suppose at an extremely fundamental level
3
3
X = 3
it looks like everyone else was right too. Maybe Americans really are smarter than the education people want us to think we are.
3
3
Wow! I think I did it. Either that or we are all wrong. 3
3
3
-58423409582
i got all excited after i worked it and saw everyone else’s answer. =P
Shoot, I think I was wrong.
I actually had to work it out. took like 30 seconds. >< At first I thought it was 9.
3
(Whoa, I haven’t math in a while!)
3
Can you please challenge me next time you ask a math problem?
3. I love algebra!
(After saying that, I probably got it wrong. )
3
3
*oops, I meant that I haven’t done math in a while. I was in such a hurry to give my answer. And I did not look at anyone else’s answer – I scrolled down super fast to the comment box.
3.14159265
0
try (2x-3)/(x-1)^2 = (2/(x-1))-(1/(x-1)^2)
and quick. my homework’s due tomorrow.
3
3. It was hard, because I didn’t have any paper and had to do it in my head. @_@
3!
x=3
Deep topic man! Thought provoking…
x = 3
3
3. Took me a few seconds…
3 — Wow, for someone who HATES math, I actually got it right… yippee… yeah… who cares?! LOL
x=3
Never mind the candy store. Dan = math teacher.
3. that was easy.
3
-9
?
x=3
3
3!
3. It is a testament to my extreme boredom that I actually stopped to work that out.
x = 3
3
3…and I had to take off my shoes…then get my eighth grade son to help me.
a-ha
3
what, you tink we’re stupid or something? ‘Cause I’m tellin’ you, my cousin Vinnie’s got a mean fist.
3
Can you please challenge me next time you ask a math problem?
Posted 3/22/2007 9:52 PM by mrcolorful
you can say that again.
Remember when I mentioned the SPED class??
Three! And I even scrolled through the comments with my eyes shut!
x be three
and I did it all in my head
screw those stupid math teachers who demand we show our work
three. now let me finish my nuclear physics homework
try (2x-3)/(x-1)^2 = (2/(x-1))-(1/(x-1)^2)
and quick. my homework’s due tomorrow.
Posted 3/22/2007 9:54 PM by DiosDePyro
looks cool, i’ll try it.
3 lol, algebra is easy stuff… statistics it hard.
*statistics is hard.
and sleep deprivation doesn’t help any…
Who cares?
3
easy.
three.
Three. Almost lost it there for a minute.
everybody says 3 I would tend to agree with them.
3
i really didn’t look, but i’m little bit embarassed at the time it took to solve it
I’m homeschooled by the way; took me about 30-45 s.
the comments are ten min. apart because i wanted to check the answer.
3. Gollygeewillikers, Im a cawledge stoodent.
3
*sigh* I love algebra. It’s geometry that I despise.
It is a testament to my extreme boredom that I actually stopped to work that out.
Posted 3/22/2007 10:03 PM by enigmatic_intent
You had to work it out?
3
Currently enrolled in algebra 2. Last time I checked, I had a C in the class. My teacher believes in me and thinks I have a B and have the potential to get an A, though I doubt it.
3
Three?
3
3
you should do more.
x = 3
That poll is cool…
I’m copying everyone answer and saying 3.
3
three… duh…
im in AP calculus… i rock so hard
x + 9 = 18 – 2x x + 2x + 9 = 18 3x = 9 x = 3
3
x = 3
x + 9 = 18 – 2x
x= 18-9-2x
x+2x= 9
3x=9
x=9/3
x=3
the answer is 3!!~
ahhahaha this is like 3rd grade math!
3
3
x + 9 = 18 – 2x
x = 18 – 2x – 9
x + 2x = 18 – 9
3x = 9
x = 9/3
x = 3
I showed more for those who have forgotten or are confused, Daniel (doubledb)
3 that was easy
3
3 !!!!
x=3. Fortunately for me, I was pretty good at algebra…lol
3. That was easy.
I had to work it out on paper. I’m so bad at any math in my head, especially when I have trouble with Algebra on paper! I hate Algebra…that’s what I’m doing for my math this year and its terrible! At least I understand how to do those kind of problems…for the most part…I think…lol
x = 3
Theee, tres, drei…however you say it…3!
Was this one of the questions on “are you smarter than a 5th grader?” tonight? I love that show. Wish they would let me on, I could use an easy million.
Oops. Three. And to think I’ve won spelling bees.
3, and I didn’t cheat
Dang, that seems so easy now that I’m in Trig. And next year, Trig will be so easy compared to Calc. AAAAH!
who cares…
3
this reminds me of the new show they have on fox haha. Actually I leanred that 2years ago. so pretty sure i have to know it or else just retarded =]
it is the positive square root of 9
3
and i didn’t cheat…honest!
x + 9 = 18 – 2x 3x = 9 x = 3
do a harder question next time =)
x = 3 My head hurts.
Three
3
x+9=18-2x 3x+9=18 3x=9 x=3
x is x. I dont change letters to numbers. It’s against my religion…
3
threeeee
I didn’t look, I promise!!!
3. i hated algebra.
3, or even the positive square root of 9 would work…
3
9^.5
Algebra is the greatest thing ever.
Seriously, Dan? I’ll tell you if I got it right, when you tell me what your job is.
Dang. I thought it was the square root of 4.5. I haven’t done that math in a few months, been working on graphs and quadratics
x = 3
3
3. This seems random. Why the math quiz?
3 >_<. I bet everyone got this.
x + 9 = 18 – 2x
3x=9
3x/3=9/3
x=3
^It’s not random. This is probably a test to see how many people actually know how to do basic math.
“it looks like everyone else was right too. Maybe Americans really are smarter than the education people want us to think we are.” – Bigman_91984
Whoo, Americans can do 8th grade math!
I’d like to see most Americans solve a set of equations with three variables. It’s really not all that hard, but I hated doing it.
3. easy peasy pumpkin peasy, pumpkin pie mutha f*&%^$
3
x = 3
:] Post-it notes are nice for things like these.
x = 3
threeeee !
3
pst: this may be super stereotypical, but I really enjoy math.
3. … nice to be doing mental math. always good for a refresher!!
42, which is actualy the answer to everything.
x = 3
I LOVE ALGEBRA!!!
3
No, Americans are not smarter. I wrote that problem down on a sheet of paper, thought for a few seconds, gave up and had a another sip of this vodka pineapple…
3
3!
3. but i’m so late at posting, it’s kind of pointless by now!
…Wow. A simple math problem turns into American bashing??
x = 3
3 =) all my head.
3
100 and e
x+9=18-2x 3x+9=18 3x=9 x=3
it’s 3 but i only figured it out by plugging in numbers. i am so bad at math that i dont even know how to do postive and negative numbers! and i’m a senior in high school! and i have a college algebra class that starts on monday; I think I’m going to die.
x = 3
And if it don’t, then I’m too pissed-up to care.
Since you said it is an algebra quesiton, i would like to take it seriously.
Questions:
1. May you tell me the set where x in in?
2. And please define clearly what “+” means
If it is (Z, +) with the normal addition, then x is 3. If not, other answers are possible.
LOL i did it within 3 seconds… and the answer is 3. (: i’m in the lower division of the maths curriculum in my school…
“I’d like to see most Americans solve a set of equations with three variables. It’s really not all that hard, but I hated doing it.” Posted 3/22/2007 11:38 PM by Naoko_Ai
Linear algebra was the best math EVER!!
not worth answering!
x=3. duh.
3
x=3
Puhleeze, I didn’t even have to factor!
X = 2+1= 3 My favorite number in the whole wide world. Now that we’ve done your homework for you Dan what do we get? LOL
3 ( ŽO )
I bet that’s a really original answer! The Japanese version may be a new touch.
Philosophically, does it matter what x equals. Can anyone truly state what x equals? Can X even be believed to state its own belief? I think it is better to let a letter’s merit stand on its actions than to place an artificial label upon it. In our society we are always labeling people and things: black or white, gay or straight, woman or man, democrat or republican, legal or illegal.
I am not sure we are better for it; let us judge each individual on their actons rather than upon some arbitrary label imposed by a textbook manufactorer in New Jersey.
or
Take the world and assign it to the closest sphere that it will fit. Take the volume of the sphere and divide it by 75% of the cube of the radius. mutiply that by the negative square of i and then divide that entire number by pi. Repeat two more times and add to get the results.
You’ve got some good mathematicians reading your blog!!
x=3
X+9=18-2X
X+2X=18-9
3X=9
X=3
3…
uhm–??? x = the best commentor - how could this not be true?–i mean, check the history – even if the votes do not bear this out…
x = 3 ♥ flyy_quotes
TAG
3.
I’m a math tutor
Well, I was going to guess 9, but then I looked at it again and got 3.
=]
3
I was hoping I got the right answer: 3
3
Took about 3 seconds, too.
x = 3!!! Yay, me! I remembered!
3. and I didn’t look at anyone elses either!
Man, I left algebra behind in high school,and I’m going to leave it there.
LOL, yeah, right…
x=three
which reminds me of the crappy last Xmen movie. thanks.
Yea, great question, dan. 3
x = 3
I hate math…
3
3
x + 9 = 18 – 2x
x= 9-2x
3x = 9
x = 3
3, not difficult XD
3
3.
Am I the only one who thinks algebra is fun?
3 is a magic number yes it is, it’s a magic number.
I just do not love math… so I am not even going to go there…lol
3
3
3!
3.
Wow! I actually managed to do that in my head!
x=3
3. x+9=18-2x Add 2x to both sides, which cancels out the negative 2x on the right side. Subtract 9 form both sides, which cancels out the +9 on the left side fo the equation. 3x=9 is the remaining equation. divide both sides by 3, and your answer is x=3.
was there any point to this
LOL…I THINK IT’S FUNNY THAT YOU HAVE 330+ EPROPS FOR THIS POST!!!
~DEBBIE
3.
At first I thought it was 9 too. I suck at Algebra.
it is 3
3
x=3. could you make it a little harder next time?
3, I sorta suck at math though.
3.
3
Simplifying
x + 9 = 18 + -2x
Reorder the terms:
9 + x = 18 + -2x
Solving
9 + x = 18 + -2x
Solving for variable ‘x’.
Move all terms containing x to the left, all other terms to the right.
Add ’2x’ to each side of the equation.
9 + x + 2x = 18 + -2x + 2x
Combine like terms: x + 2x = 3x
9 + 3x = 18 + -2x + 2x
x = 3 lol That was an easy one. Then again, I’m still in school…
You have a lot of comments and eprops on this post… lol That’s a bit sad really.
3
3
3
-9
I’m guessing 3. It’s been a while!
3 hah
x=3
Negative 9 doesn’t work. That would make the left side equal zero, and the right side equal 36 (18 minus negative 18 equals positive 36).
3
X = 3
takes me back to sixth grade here, which is 2x
…give us a REAL math problem. come on, Dan.
x = ∫ from 0 to 3 of 1dx
- 9. Wow, actually I just looked above. No wonder I got a D in algebra.
I DISLIKE algebra with every fiber of my being.
3
3
x=3
3
hah, that’s funny…..
3!
Although taking Calculus has made me overthink simple math problems, it hasn’t fried my brain completely. yet.
Thank you, math teacher. I get to feel smart in somewhere besides school.
< 3!
get it?
< 3?
3?
:]
im bored
3
-3
QRQKARLEKLOMP
3!!
x = the square root of 9
THE ANSWER IS= WHO GIVES A FUCK?
X + 9 = 18 – 2 X
2X + X + 9 = 18 – 2X + 2X
3X + 9 = 18
3X + 9 – 9 = 18 -9
3X = 9
X = 3
X = 3
x=2/3
oops
i’m even taking algebra 2 right now. that’s sad.
x = 3
x = 3
x = 3
3
11?
i hate algebra
3…that was way easy by the way
x=3. =)
3
3
3
12
not really, it’s 3
x=3
(:
The answer is approximately 1 + the 10th root of 3 – the 10th root of 3^2 + the 10th root of 3^3 – the 10th root of 3^4 + the 10th root of 3^5 – the 10th root of 3^6 + the 10th root of 3^7 – the 10th root of 3^8 + the 10th root of 3^9.
I’m sorry, I can’t. I never was one for math. Give me a play and I’ll act it out for you, but a math problem? Sorry.
x=3
Homeschooling my daughter in pre-algebra this year (sigh)
Three! Woo hoo! I got it right.
This was so easy compared to the math that I’m doing at the moment. And, to solve this problem, I grabbed the nearest piece of scratch paper and a green crayon. Yeah. I’m cool.
3. algebra is loooooooooooove!
“geometry can kiss my angle-side-side”
3
3
x=3
I pick -9 I don’t care if 3 also works.
three. 3. III. …
negative nine DOES work. a negative times a negative is a positive, which means 2x would equal 18. >.< you’re right dan, our education sucks. i’m still in middle school (not for much longer!). I would know. =P
3. luv ya and god bless
lol
3
heh. what was the point of this, dan?
three.
3
3, had to work it out though
I admit I am mathematically challenged because on first guess I got 4.5, but I guess it must be three as that is what everyone else said. There is a reason why I majored in English… I suppose I could think up a really challenging English question, but no one would answer because it would take so long.
I came to vote for Paige, but I don’t see the little thingie she was talking about. So if by some bizarre chance you actually read this and don’t delete it, as has happened in the past… I vote for Paige.
Tricia
3
3
Ekk… I HATE Algebra, well any math really. But I wrote down your problem and I believe the anwser is :X=3.
If I’m right, my Mom will be proud of me.
X = 3
My high school diploma just smiled…
3
I’m a nanny so I did this with a crayon on a tissue. The answer’s 3, and I’m so happy my brain hasn’t rotted so badly that I can’t do Algebra anymore.
x=3
I hate math.
3
im in 6th grade and i am algabra
3 i love algebra!
3, of course. That wasn’t entirely fair for me, though. I’m in both Trig./Advanced Algebra and Algebra II this year. (but I still hate most types of math! haha)
- 9 works if it is a mod 18 algebra.
x=3
I got three without trying. C’mon I have an D in honnors algebra, this is simple.
Threeeee
“negative nine DOES work. a negative times a negative is a positive, which means 2x would equal 18. >.< you’re right dan, our education sucks. i’m still in middle school (not for much longer!). I would know. =P”
Nope. Sure a negative times a negative is a positive, and while that nine is negative, the two is positive. Positive two times negative nine does not equal positive 18…
Plus, it doesn’t become 2x = 18. It becomes 3x = 9. 2x = 18 would not work.. because (2)(3) does not equal 18…
Comments (300)
3
3
first!!
marks the spot
3
3
Algebra I suppose at an extremely fundamental level
3
3
X = 3
it looks like everyone else was right too. Maybe Americans really are smarter than the education people want us to think we are.
3
3
Wow! I think I did it. Either that or we are all wrong. 3
3
3
-58423409582
i got all excited after i worked it and saw everyone else’s answer. =P
Shoot, I think I was wrong.
I actually had to work it out. took like 30 seconds. ><
At first I thought it was 9.
3
(Whoa, I haven’t math in a while!)
3
Can you please challenge me next time you ask a math problem?
3. I love algebra!
(After saying that, I probably got it wrong.
)
3
3
*oops, I meant that I haven’t done math in a while. I was in such a hurry to give my answer. And I did not look at anyone else’s answer – I scrolled down super fast to the comment box.
3.14159265
0
try (2x-3)/(x-1)^2 = (2/(x-1))-(1/(x-1)^2)
and quick. my homework’s due tomorrow.
3
3. It was hard, because I didn’t have any paper and had to do it in my head. @_@
3!
x=3
Deep topic man! Thought provoking…
x = 3
3
3. Took me a few seconds…
3 — Wow, for someone who HATES math, I actually got it right… yippee… yeah… who cares?! LOL
x=3
Never mind the candy store. Dan = math teacher.
3. that was easy.
3
-9
?
x=3
3
3!
3. It is a testament to my extreme boredom that I actually stopped to work that out.
x = 3
3
3…and I had to take off my shoes…then get my eighth grade son to help me.
a-ha
3
what, you tink we’re stupid or something? ‘Cause I’m tellin’ you, my cousin Vinnie’s got a mean fist.
3
Can you please challenge me next time you ask a math problem?
Posted 3/22/2007 9:52 PM by mrcolorful
you can say that again.
Remember when I mentioned the SPED class??
Three! And I even scrolled through the comments with my eyes shut!
x be three
and I did it all in my head
screw those stupid math teachers who demand we show our work
three.
now let me finish my nuclear physics homework
try (2x-3)/(x-1)^2 = (2/(x-1))-(1/(x-1)^2)
and quick. my homework’s due tomorrow.
Posted 3/22/2007 9:54 PM by DiosDePyro
looks cool, i’ll try it.
3 lol, algebra is easy stuff… statistics it hard.
*statistics is hard.
and sleep deprivation doesn’t help any…
Who cares?
3
easy.
three.
Three. Almost lost it there for a minute.
everybody says 3 I would tend to agree with them.
3
i really didn’t look, but i’m little bit embarassed at the time it took to solve it
=)
j
This will look funny, but I’ll try.
X=[2 +or- 2(6^0.5)i]/2
Good luck on the homework DiosDePyro!
I’m homeschooled by the way; took me about 30-45 s.
the comments are ten min. apart because i wanted to check the answer.
3. Gollygeewillikers, Im a cawledge stoodent.
3
*sigh* I love algebra. It’s geometry that I despise.
It is a testament to my extreme boredom that I actually stopped to work that out.
Posted 3/22/2007 10:03 PM by enigmatic_intent
You had to work it out?
3
Currently enrolled in algebra 2. Last time I checked, I had a C in the class. My teacher believes in me and thinks I have a B and have the potential to get an A, though I doubt it.
3
Three?
3
3
you should do more.
x = 3
That poll is cool…
I’m copying everyone answer and saying 3.
3
three… duh…
im in AP calculus… i rock so hard
x + 9 = 18 – 2x
x + 2x + 9 = 18
3x = 9
x = 3
3
x = 3
x + 9 = 18 – 2x
x= 18-9-2x
x+2x= 9
3x=9
x=9/3
x=3
the answer is 3!!~
ahhahaha this is like 3rd grade math!
3
3
x + 9 = 18 – 2x
x = 18 – 2x – 9
x + 2x = 18 – 9
3x = 9
x = 9/3
x = 3
I showed more for those who have forgotten or are confused,
Daniel (doubledb)
3 that was easy
3
3 !!!!
x=3. Fortunately for me, I was pretty good at algebra…lol
3. That was easy.
I had to work it out on paper. I’m so bad at any math in my head, especially when I have trouble with Algebra on paper! I hate Algebra…that’s what I’m doing for my math this year and its terrible! At least I understand how to do those kind of problems…for the most part…I think…lol
x = 3
Theee, tres, drei…however you say it…3!
Was this one of the questions on “are you smarter than a 5th grader?” tonight? I love that show. Wish they would let me on, I could use an easy million.
Oops. Three. And to think I’ve won spelling bees.
3, and I didn’t cheat
Dang, that seems so easy now that I’m in Trig. And next year, Trig will be so easy compared to Calc. AAAAH!
who cares…
3
this reminds me of the new show they have on fox haha. Actually I leanred that 2years ago. so pretty sure i have to know it or else just retarded =]
it is the positive square root of 9
3
and i didn’t cheat…honest!
x + 9 = 18 – 2x
3x = 9
x = 3
do a harder question next time =)
x = 3 My head hurts.
Three
3
x+9=18-2x
3x+9=18
3x=9
x=3
x is x. I dont change letters to numbers. It’s against my religion…
3
threeeee
I didn’t look, I promise!!!
3. i hated algebra.
3, or even the positive square root of 9 would work…
3
9^.5
Algebra is the greatest thing ever.
Seriously, Dan?
I’ll tell you if I got it right, when you tell me what your job is.
Dang. I thought it was the square root of 4.5. I haven’t done that math in a few months, been working on graphs and quadratics
x = 3
3
3. This seems random. Why the math quiz?
3 >_<. I bet everyone got this.
x + 9 = 18 – 2x
3x=9
3x/3=9/3
x=3
^It’s not random. This is probably a test to see how many people actually know how to do basic math.
Is this supposed to be hard?
3
For the math impaired:
x + 9 = 18 – 2x
x + 9 +2x = 18 – 2x + 2x
3x + 9 = 18
3x + 9 – 9 = 18 -9
3x = 9
x = 3
3
“it looks like everyone else was right too. Maybe Americans really are smarter than the education people want us to think we are.” – Bigman_91984
Whoo, Americans can do 8th grade math!
I’d like to see most Americans solve a set of equations with three variables. It’s really not all that hard, but I hated doing it.
3. easy peasy pumpkin peasy, pumpkin pie mutha f*&%^$
3
x = 3
:] Post-it notes are nice for things like these.
x = 3
threeeee !
3
pst: this may be super stereotypical, but I really enjoy math.
3. … nice to be doing mental math. always good for a refresher!!
42, which is actualy the answer to everything.
x = 3
I LOVE ALGEBRA!!!
3
No, Americans are not smarter. I wrote that problem down on a sheet of paper, thought for a few seconds, gave up and had a another sip of this vodka pineapple…
3
3!
3. but i’m so late at posting, it’s kind of pointless by now!
…Wow. A simple math problem turns into American bashing??
x = 3
3 =) all my head.
3
100 and e
x+9=18-2x
3x+9=18
3x=9
x=3
it’s 3 but i only figured it out by plugging in numbers. i am so bad at math that i dont even know how to do postive and negative numbers! and i’m a senior in high school! and i have a college algebra class that starts on monday; I think I’m going to die.
x = 3
And if it don’t, then I’m too pissed-up to care.
Since you said it is an algebra quesiton, i would like to take it seriously.
Questions:
1. May you tell me the set where x in in?
2. And please define clearly what “+” means
If it is (Z, +) with the normal addition, then x is 3. If not, other answers are possible.
LOL i did it within 3 seconds…
and the answer is 3. (:
i’m in the lower division of the maths curriculum in my school…
“I’d like to see most Americans solve a set of equations with three variables. It’s really not all that hard, but I hated doing it.”
Posted 3/22/2007 11:38 PM by Naoko_Ai
Linear algebra was the best math EVER!!
not worth answering!
x=3. duh.
3
x=3
Puhleeze, I didn’t even have to factor!
X = 2+1= 3 My favorite number in the whole wide world. Now that we’ve done your homework for you Dan what do we get? LOL
3 ( ŽO )
I bet that’s a really original answer! The Japanese version may be a new touch.
Philosophically, does it matter what x equals. Can anyone truly state what x equals? Can X even be believed to state its own belief? I think it is better to let a letter’s merit stand on its actions than to place an artificial label upon it. In our society we are always labeling people and things: black or white, gay or straight, woman or man, democrat or republican, legal or illegal.
I am not sure we are better for it; let us judge each individual on their actons rather than upon some arbitrary label imposed by a textbook manufactorer in New Jersey.
or
Take the world and assign it to the closest sphere that it will fit. Take the volume of the sphere and divide it by 75% of the cube of the radius. mutiply that by the negative square of i and then divide that entire number by pi. Repeat two more times and add to get the results.
You’ve got some good mathematicians reading your blog!!
x=3
X+9=18-2X
X+2X=18-9
3X=9
X=3
3…
uhm–??? x = the best commentor - how could this not be true?–i mean, check the history – even if the votes do not bear this out…
x = 3
♥ flyy_quotes
TAG
3.
I’m a math tutor
Well, I was going to guess 9, but then I looked at it again and got 3.
=]
3
I was hoping I got the right answer: 3
3
Took about 3 seconds, too.
x = 3!!! Yay, me! I remembered!
3. and I didn’t look at anyone elses either!
Man, I left algebra behind in high school,and I’m going to leave it there.
LOL, yeah, right…
x=three
which reminds me of the crappy last Xmen movie. thanks.
Yea, great question, dan. 3
x = 3
I hate math…
3
3
x + 9 = 18 – 2x
x= 9-2x
3x = 9
x = 3
3, not difficult XD
3
3.
Am I the only one who thinks algebra is fun?
3 is a magic number
yes it is, it’s a magic number.
I just do not love math… so I am not even going to go there…lol
3
3
3!
3.
Wow! I actually managed to do that in my head!
x=3
3. x+9=18-2x Add 2x to both sides, which cancels out the negative 2x on the right side. Subtract 9 form both sides, which cancels out the +9 on the left side fo the equation. 3x=9 is the remaining equation. divide both sides by 3, and your answer is x=3.
was there any point to this
LOL…I THINK IT’S FUNNY THAT YOU HAVE 330+ EPROPS FOR THIS POST!!!
~DEBBIE
3.
At first I thought it was 9 too. I suck at Algebra.
it is 3
3
x=3. could you make it a little harder next time?
3, I sorta suck at math though.
3.
3
Simplifying
x + 9 = 18 + -2x
Reorder the terms:
9 + x = 18 + -2x
Solving
9 + x = 18 + -2x
Solving for variable ‘x’.
Move all terms containing x to the left, all other terms to the right.
Add ’2x’ to each side of the equation.
9 + x + 2x = 18 + -2x + 2x
Combine like terms: x + 2x = 3x
9 + 3x = 18 + -2x + 2x
Combine like terms: -2x + 2x = 0
9 + 3x = 18 + 0
9 + 3x = 18
Add ‘-9′ to each side of the equation.
9 + -9 + 3x = 18 + -9
Combine like terms: 9 + -9 = 0
0 + 3x = 18 + -9
3x = 18 + -9
Combine like terms: 18 + -9 = 9
3x = 9
Divide each side by ’3′.
x = 3
Simplifying
x = 3
YEAH…LIKE I DID IT…
X=3
x = 3 lol That was an easy one. Then again, I’m still in school…
You have a lot of comments and eprops on this post… lol That’s a bit sad really.
3
3
3
-9
I’m guessing 3. It’s been a while!
3 hah
x=3
Negative 9 doesn’t work. That would make the left side equal zero, and the right side equal 36 (18 minus negative 18 equals positive 36).
3
X = 3
takes me back to sixth grade here, which is 2x
…give us a REAL math problem. come on, Dan.
x = ∫ from 0 to 3 of 1dx
- 9. Wow, actually I just looked above. No wonder I got a D in algebra.
I DISLIKE algebra with every fiber of my being.
3
3
x=3
3
hah, that’s funny…..
3!
Although taking Calculus has made me overthink simple math problems, it hasn’t fried my brain completely. yet.
Thank you, math teacher. I get to feel smart in somewhere besides school.
< 3!
get it?
< 3?
3?
:]
im bored
3
-3
QRQKARLEKLOMP
3!!
x = the square root of 9
THE ANSWER IS= WHO GIVES A FUCK?
X + 9 = 18 – 2 X
2X + X + 9 = 18 – 2X + 2X
3X + 9 = 18
3X + 9 – 9 = 18 -9
3X = 9
X = 3
X = 3
x=2/3
oops
i’m even taking algebra 2 right now. that’s sad.
x = 3
x = 3
x = 3
3
11?
i hate algebra
3…that was way easy by the way
x=3.
=)
3
3
3
12
not really, it’s 3
x=3
(:
The answer is approximately 1 + the 10th root of 3 – the 10th root of 3^2 + the 10th root of 3^3 – the 10th root of 3^4 + the 10th root of 3^5 – the 10th root of 3^6 + the 10th root of 3^7 – the 10th root of 3^8 + the 10th root of 3^9.
I’m sorry, I can’t. I never was one for math. Give me a play and I’ll act it out for you, but a math problem? Sorry.
x=3
Homeschooling my daughter in pre-algebra this year (sigh)
Three! Woo hoo! I got it right.
This was so easy compared to the math that I’m doing at the moment. And, to solve this problem, I grabbed the nearest piece of scratch paper and a green crayon. Yeah. I’m cool.
3. algebra is loooooooooooove!
“geometry can kiss my angle-side-side”
3
3
x=3
I pick -9 I don’t care if 3 also works.
three. 3. III. …
negative nine DOES work. a negative times a negative is a positive, which means 2x would equal 18. >.< you’re right dan, our education sucks. i’m still in middle school (not for much longer!). I would know. =P
3. luv ya and god bless
lol
3
heh. what was the point of this, dan?
three.
3
3, had to work it out though
I admit I am mathematically challenged because on first guess I got 4.5, but I guess it must be three as that is what everyone else said. There is a reason why I majored in English… I suppose I could think up a really challenging English question, but no one would answer because it would take so long.
I came to vote for Paige, but I don’t see the little thingie she was talking about. So if by some bizarre chance you actually read this and don’t delete it, as has happened in the past… I vote for Paige.
Tricia
3
3
Ekk… I HATE Algebra, well any math really. But I wrote down your problem and I believe the anwser is :X=3.
If I’m right, my Mom will be proud of me.
X = 3
My high school diploma just smiled…
3
I’m a nanny so I did this with a crayon on a tissue. The answer’s 3, and I’m so happy my brain hasn’t rotted so badly that I can’t do Algebra anymore.
x=3
I hate math.
3
im in 6th grade and i am algabra
3 i love algebra!
3, of course. That wasn’t entirely fair for me, though. I’m in both Trig./Advanced Algebra and Algebra II this year. (but I still hate most types of math! haha)
- 9 works if it is a mod 18 algebra.
x=3
I got three without trying. C’mon I have an D in honnors algebra, this is simple.
Threeeee
“negative nine DOES work. a negative times a negative is a positive, which means 2x would equal 18. >.< you’re right dan, our education sucks. i’m still in middle school (not for much longer!). I would know. =P”
Nope. Sure a negative times a negative is a positive, and while that nine is negative, the two is positive. Positive two times negative nine does not equal positive 18…
Plus, it doesn’t become 2x = 18. It becomes 3x = 9. 2x = 18 would not work.. because (2)(3) does not equal 18…
3
3…
three, trois, soun, tres
3.14159
x=3.
a little bit late…but 3
x=3
3
=)