Question

Решить 1 тестовое задание за 20 баллов

Answer 1

$\left \{ {{5x-19\geq 4x+1} \atop {3,5x+5\geq 4x+37}} \right.\; \; \left \{ {{x\geq 20} \atop {-32\geq 0,5x}} \right.\; \; \left \{ {{x\geq 20} \atop {0,5x\leq -32}} \right.\; \; \left \{ {{x\geq 20} \atop {x\leq -64}} \right. \; \; \to \; \; x\in \varnothing \\\\\\P.S.\; \; \; \left \{ {{5x-19\leq 4x+1} \atop {3,5x+5\leq 4x+37}} \right.\; \; \left \{ {{x\leq 20} \atop {x\geq -64}} \right. \; \; \to \; \; x\in [-64;20\, ]$