How do you solve $| x + 5 | = - 4$ $|x + 5| = -4$ ?

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Answer 1 · 2018-06-13T07:40:41

by definition

$| f (x) | \geq 0$ $|f(x)| >= 0$

ie $| f (x) | cannot be negative$ $|f(x)| " cannot be negative"$

$| x + 5 | = - 4$ $|x+5|=-4$

has no solution

How do you solve |x+5|=−4|x + 5| = -4?