1) 4(5х+2)=10(2х-3)+15
20х+8=20х-30+15
-20х+20х= -15-30-8
х= -53
2) 2(7х-7)=7(2х-3)+7
14х-14=14х-21+7
-14х-14х= -7-21-14
х= -42
1) 4(5х+2)=10(2х-3)+15
20х+8=20х-30+15
-20х+20х= -15-30-8
х= -53
2) 2(7х-7)=7(2х-3)+7
14х-14=14х-21+7
-14х-14х= -7-21-14
х= -42