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by GMATGuruNY » Thu Jan 13, 2011 2:48 pm
sch wrote:4x<2x+1<3x+2 I cannot simplify this equation to solve this question, please help! The answer is an interval of (-1,1/2)
You might find it easier to treat this as 2 separate inequalities (4x<2x+1 and 2x+1<3x+2):

4x<2x+1
2x<1
x<1/2

2x+1<3x+2
-x<1
x>-1

Thus, -1<x<1/2.
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