Question

Решите систему неравенств
5-3х ≥ -1
3-4х ≥ 8

Answer 1

$left { {{5-3x geq -1} atop {3-4x geq 8}} right. \ left { {{-3x geq -1-5} atop {-4x geq 8-3}} right. \ left { {{-3x geq -6} atop {-4x geq 5}} right. \ left { {{x leq 2} atop {x leq -1.25}} right.$
Ответ: (-бесконечность; -1,25]