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OpenStudy (anonymous):
Solve: |-7x| > 21
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OpenStudy (anonymous):
divide by -7
OpenStudy (anonymous):
So 3?
OpenStudy (anonymous):
yeah but the sign flips because you divided by a negative number
OpenStudy (zale101):
when there's an absolute value that means the equation must be eiter negative or positive
OpenStudy (anonymous):
so + or - 3
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OpenStudy (anonymous):
-?
OpenStudy (zale101):
|dw:1385160732276:dw|
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