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Mathematics 14 Online
OpenStudy (anonymous):

Solve the inequality. |x + 5| > 12 A. –17 < x < 7 B. x < –17 or x > 7 C. x > –17 or x < 7 D. –7 < x < 7

jimthompson5910 (jim_thompson5910):

use the idea that if |x| > k, then x > k or x < -k to get... |x + 5| > 12 x+5 > 12 or x+5 < -12 x > 12-5 or x < -12-5 x > 7 or x < -17

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