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Mathematics 10 Online
OpenStudy (anonymous):

What is the solution set of |2x + 4| < 8?

hero (hero):

Take the inverse absolute value of both sides to get: 2x + 4 < ± 8

OpenStudy (anonymous):

okay? now what

OpenStudy (anonymous):

2x<4 or 2x< -12 ?

hero (hero):

Okay, finish solving both for x

hero (hero):

Actually, the next step should have been this: -8 < 2x + 4 < 8

OpenStudy (anonymous):

thanks:) i got help

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