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find 2x

Expert replies
Source: — Problem Solving |

by gmatboost » Fri Aug 26, 2011 10:04 am
The equation is a bit unclear, please use () to make it easier to understand

2X+6=3+(5/3) x
In this case the correct answer is not there for 2x

2X+6=3+5/(3 x)
In this case the answer is also not there...
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by marmar29 » Fri Aug 26, 2011 10:42 am
yea i knw gmatboost bcs with me i have another answer comes out whc was -4.28
was tht the answer comes out to u
btw the first way in brackets is correct whc is 2X+6=3+(5/3) x

kindly tell me wht was the answer comes out to u
thanks
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by gmatboost » Sun Aug 28, 2011 9:26 am
2x + 6 = 3 + (5/3)x
2x - (5/3)x + 6 = 3 + (5/3)x - (5/3)x
(6/3)x - (5/3)x + 6 = 3 + (5/3)x - (5/3)x
(1/3)x + 6 = 3
(1/3)x = -3
x = -9
2x = -18
Greg Michnikov, Founder of GMAT Boost

GMAT Boost offers 250+ challenging GMAT Math practice questions, each with a thorough video explanation, and 100+ GMAT Math video tips, each 90 seconds or less.
It's a total of 20+ hours of expert instruction for an introductory price of just $10.
View sample questions and tips without signing up, or sign up now for full access.


Also, check out the most useful GMAT Math blog on the internet here.
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by navami » Mon Aug 29, 2011 12:38 pm
2X+6=3+(5/3) x
x/3 = -3
x = -9
2x = -18
This time no looking back!!!
Navami
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