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OpenStudy (anonymous):
Solve -7 < x + 2 < 4. A. -9 < x < 2 B. -5 < x < 6 C. x < 2 or x > -9 D. no solution
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OpenStudy (anonymous):
A. -9 < x < 2
OpenStudy (anonymous):
i.e. -7 < x +2 < 4 subtract 2 from everywhere -7-2 < x+2-2<4-2 =-9<x<2
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