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OpenStudy (anonymous):
Solve |x| + 7 < 4. a. {x | x < -11 or x > -3} b. {x | -3 < x < 3} c. Ø
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OpenStudy (anonymous):
Note that \[ |x| + 7 < 4 \implies |x| < -3, \]but absolute values cannot be negative. Can you find the answer from here?
OpenStudy (anonymous):
It is C. There is no solution
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