Answer
$-9 \leq x \leq-1$
Work Step by Step
$|-x-4| \leq 5$
$-x-4 \leq5$ or $-x-4 \geq -5$
$-x \leq 9$ or $-x \geq -1$
$x \geq -9$ or $x \leq -1$
$-9 \leq x \leq-1$
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