7(x-4)=2(x+1)
7х-28=2х+2
7х-2х=2+28
5х=30
х=6
6(2-x)=4x+16
12-6х=4х+16
-6х-4х=16-12
-10х=4
х=-0.4
1) 7х -28 = 2х +2
7х -2х = 2 +28
5х = 30
х = 30 : 5
х = 6
2) 12 - 6х = 4х +16
12 -16 = 4х +6х
10 х = -4
х = - 0,4
7(x-4)=2(x+1)
7х-28=2х+2
7х-2х=2+28
5х=30
х=6
6(2-x)=4x+16
12-6х=4х+16
-6х-4х=16-12
-10х=4
х=-0.4
1) 7х -28 = 2х +2
7х -2х = 2 +28
5х = 30
х = 30 : 5
х = 6
2) 12 - 6х = 4х +16
12 -16 = 4х +6х
10 х = -4
х = - 0,4