Question

помогите решить срочно

Answer 1

$|x-8| \geq 9$

$\left[\begin{array}{ccc}(x-8) \geq 9\\ (x-8) \leq -9\end{array}\right \\ \\ \\ \left[\begin{array}{ccc} x \geq 17\\ x \leq -1\end{array}\right$

Ответ: 
$x \leq -1 \ \bigcup \ x \geq 17$