estebanvilleda estebanvilleda

30-08-2017
Mathematics

contestada

Solve |x| + 7 < 4.
........................

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ghanami ghanami

30-08-2017

hello :
|x| + 7 < 4.
|x| < 4.-7
|x| < -3
no reals solutions because for all reals x : |x| ≥ 0

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