Решите уравнения: 1/2(3x+7)-3/4(2x-2)=3/4(x+1) 5(x-1)+5(3x+2)=7(5x+2) , с объяснением.

5(x-1)+5(3x+2)=7(5x+2)
5х-5+15х+10=35х+14
5х+15х-35х=14+5-10
-15х=9
х=-15/9

1/2(3x+7)-3/4(2x-2)=3/4(x+1)
3/2х+7/2-3/2х+3/2=3/4х+3/4
3/2х-3/2х-3/4х=-7/2+3/4-3/2
-3/4х=-17/4
х=-17/4:(-3/4)=-17/4*(-3/4)
х= 17/3