Question

Решите систему
{57-7x>3x-2
{22x-1<2x+47

Answer 1

$left { {{57-7x textgreater 3x-2} atop {22x-1 textless 2x+47}} right. \ \ left { {{55 textgreater 10x} atop {20x textless 48}} right. \ \ left { {{x textless 5,5} atop {x textless 2,4}} right.$

x∈$(- infty; 2,4 )$