Question

Решите систему {57-7x>3x-2 {22x-1<2x+47

Answer 1

$\left \{ {{57-7x\ \textgreater \ 3x-2} \atop {22x-1\ \textless \ 2x+47}} \right. \\ \\ \left \{ {{55\ \textgreater \ 10x} \atop {20x\ \textless \ 48}} \right. \\ \\ \left \{ {{x\ \textless \ 5,5} \atop {x\ \textless \ 2,4}} \right.$

x∈$(- \infty; 2,4 )$