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Mathematics 7 Online
OpenStudy (anonymous):

Solve: |-7x| > 21 A. -3 < x < 3 B. -3 > x < 3 C. x > -3 D. x < -3 or x > 3

jimthompson5910 (jim_thompson5910):

if |-7x| > 21 then -7x > 21 or -7x < -21 solve each inequality for x

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