1)2-3(2х+2) = 5-4х
2-(6х-6) = 5-4х
2-6х+6 = 5-4х
-6х+4х = 5-2+6
-2х = 9
х = -9/2
2)8-5(2х-3) = 13-6х
8-(10х-15) = 13-6х
8-10х+15 = 13-6х
-10х+6х = 13-8-15
-4х = -10
х = 10/4 = 5/2
3)1-2(5-2х) = -х-3
1-(10-4х) = -х-3
1-10+4х = -х-3
4х+х = -3-1+10
5х = 6
х = 6/5
4)1-7(4+2х) = -9-4х
1-(28+14х) = -9-4х
1-28-14х = -9-4х
-14х+4х = -9-1+28
-10х = 18
х = -18/10 = -9/5
1)2-3(2х+2) = 5-4х
2-(6х-6) = 5-4х
2-6х+6 = 5-4х
-6х+4х = 5-2+6
-2х = 9
х = -9/2
2)8-5(2х-3) = 13-6х
8-(10х-15) = 13-6х
8-10х+15 = 13-6х
-10х+6х = 13-8-15
-4х = -10
х = 10/4 = 5/2
3)1-2(5-2х) = -х-3
1-(10-4х) = -х-3
1-10+4х = -х-3
4х+х = -3-1+10
5х = 6
х = 6/5
4)1-7(4+2х) = -9-4х
1-(28+14х) = -9-4х
1-28-14х = -9-4х
-14х+4х = -9-1+28
-10х = 18
х = -18/10 = -9/5