Question

срочно!!!!
3(х+2)=2(х-1)
3(5х-7)=5(3х+4)

Answer 1

3(х+2)=2(х-1)
3х+6=2х-2
3х-2х=-2+6
Х=4

3(5х-7)=5(3х+4)
15х-21=15х+12
15х-15х=12+21
х=33