Розв’яжіть систему нерівностей:

Решите задачу:

$\left \{ { \frac{6x}{5} - \frac{3x+1}{2} \ \textless \ 1{} \atop {4.2 x\ \textless \ 2.2x+5}} \right. \\ \left \{ { \ \frac{12x-15x-5}{10} \ \textless \ 1{} \atop {2x\ \textless \ 5}} \right. \\ \left \{ { \ \frac{-3x-5}{10} \ \textless \ 1{} \atop {2x\ \textless \ 5}} \right. \\ \left \{ { \ \frac{-3x-5}{10}-1 \ \textless \ 0{} \atop {x\ \textless \ 2.5}} \right \\ \left \{ { \ \frac{-3x-5-10}{10}\ \textless \ 0{} \atop {x\ \textless \ 2.5}} \right \\ \left \{ {{-3x-15\ \textless \ 0} \atop {x\ \textless \ 2.5}} \right. \\ \left \{ {{-3x\ \textless \ 15} \atop {x\ \textless \ 2}} \right. \\ \left \{ {{x\ \textless \ -5} \atop {x\ \textless \ 2}} \right. \\ (-5;2)$