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August 31, 2015

Homework Help: Inequalities & Absolute value

Posted by Bethany on Wednesday, July 2, 2014 at 11:48pm.

|2x+4|<5
|5-3x|<9

What values of x are both of the inequalities above true?

i. -2
ii. -1
iii. 1

I got -1 only and its right because I just plugged it in to find out, but is there another way of solving this perhaps algebraically? For example something like 2x+4<5 and -5? And 5-3x<9 or -9? The you solve for those or something? I tried that but it didn't work...

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