Question

решите неравенство 2х-7/6+7x-2/3<=3-1-x/2

Answer 1

9х-11/6=<2-0.5x
9.5x<=23/6

x=23/57

Ответ: от - бесконечности до 23/57

Answer 2

2х+5х+х/2=7/6+2/3+3-1
7х+х/2=11/6+2
15х/2=15/6
15х*6=15*5
90х=75
х=5/6
х<=5/6