Question

$\left \{ {x\ \textgreater \ 12} \atop {17-x\ \textgreater \ 0}} \right.$ Решить систему

Answer 1

$\left \{ {{x\ \textgreater \ 12} \atop {17-x\ \textgreater \ 0}} \right. \; ,\; \left \{ {{x\ \textgreater \ 12} \atop {x\ \textless \ 17}} \right. \; \; \Rightarrow \; \; \; 12\ \textless \ x\ \textless \ 17\\\\x\in (12,17)$

Answer 2

решение смотри внизу