Question

Решите систему неравенств
$\left \{ {{7x-12\geq3x-20} \atop {5-2x\ \textgreater \ 4x+29}} \right.$

Answer 1

{7x-12≥3x-20
{5-2x>4x+29

{4x≥-8
{-6x>24

{x≥-2
{x<-4

x∈(-∞;-4)∪[-2;+∞)