Решить систему неравенств 1) 6x>30,-5x-4≥26;2)4x+2≤5x+3,2-3x>7-2x;

1) $\left \{ {{6x\ \textgreater \ 30} \atop {-5x-4 \geq 26}} \right. \left \{ {{x\ \textgreater \ 5} \atop {-5x \geq 30}} \right. \left \{ {{x\ \textgreater \ 5} \atop {5x \leq 30}} \right. \left \{ {{x\ \textgreater \ 5} \atop {x \leq 6}} \right.$
Ответ: (5; 6]

2) $\left \{ {{4x+2 \leq 5x+3} \atop {2-3x\ \textgreater \ 7-2x}} \right. \left \{ {{2-3 \leq 5x-4x} \atop {2-7\ \textgreater \ 3x-2x}} \right. \left \{ {{-1 \leq x} \atop {-5\ \textgreater \ x}} \right. \left \{ {{x \geq -1} \atop {x\ \textless \ -5}} \right.$
Ответ: ∅ (пустое множество).