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OpenStudy (anonymous):
Someone please check this one out! 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 (slaaibak):
add 2 to both sides.
OpenStudy (anonymous):
A
OpenStudy (slaaibak):
Sorry, I meant subtract xD
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