Question

Решите неравенство:
{х<8
{9-х>0

Answer 1

$\left \{ {{x\ \textless \ 8} \atop {9-x\ \textgreater \ 0}} \right. \to \left \{ {{x\ \textless \ 8} \atop {x\ \textless \ 9}} \right.$

Ответ: $x \in (-\infty;8)$