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OpenStudy (anonymous):
What is the solution set of |2x + 4| < 8? x > –6 and x < 2 x > –4 and x < 4 x < –6 and x > 2 x < –4 and x > 4
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OpenStudy (texaschic101):
(2x + 4) < 8 -8 < 2x + 4 < 8 -8 - 4 < 2x + 4 - 4 < 8 - 4 -12 < 2x < 4 -12/2 < x < 4/2 -6 < x < 2 ANSWER : x > -6 and x < 2 http://www.purplemath.com/modules/absineq.htm
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