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algebraic fraction practice question

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by Mike@Magoosh » Tue Oct 15, 2013 1:26 pm
If 2 + (2/y) = 3 - (3/y), then y =
(A) 1/5
(B) 1/3
(C) 1/2
(D) 3
(E) 5


For more information about algebraic fractions (a.k.a. rational expressions), including strategies, tips, and the OA & explanation to this particular question, see:
https://magoosh.com/gmat/2013/algebraic- ... -the-gmat/

Mike :-)
Magoosh GMAT Instructor
https://gmat.magoosh.com/
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Source: — Problem Solving |

by Premalatha Anand » Tue Oct 15, 2013 2:08 pm
OA [spoiler]E[/spoiler]

Is it the best way to substitute the numbers to find the ans? any other easy way ?
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by Uva@90 » Tue Oct 15, 2013 7:15 pm
Take all Y terms to one side and rest to another side,

2/y + 3/Y = 3-2

5/y =1 (on LHS add the numerator, since denominator is same for both the fractions)
So y =5

OA is E
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