1. x-15-(-1,2х)=1,2
x – 15 + 1.2x = 1.2
x + 1,2x = 1,2 + 15
2.2x = 16.2
22x = 162
11x = 81
x = 81/11
х=7,36363636364
2. -25+3=-х+3х
x – 3x = – 3 + 25
-2x = 22
x = -11
3. 0,1+(4х-х)=-3х+0,7
0.1 + 4x – x = – 3x + 0.7
4x – x + 3x = 0,7 – 0,1
6x = 0.6
x = 0.1
4. -8х+(-25х-1)=-25х-17
– 8x – 25x – 1 = – 25x – 17
– 8x – 25x + 25x = – 17 + 1
-8x = -16
x = 2
1. x-15-(-1,2х)=1,2
x – 15 + 1.2x = 1.2
x + 1,2x = 1,2 + 15
2.2x = 16.2
22x = 162
11x = 81
x = 81/11
х=7,36363636364
2. -25+3=-х+3х
x – 3x = – 3 + 25
-2x = 22
x = -11
3. 0,1+(4х-х)=-3х+0,7
0.1 + 4x – x = – 3x + 0.7
4x – x + 3x = 0,7 – 0,1
6x = 0.6
x = 0.1
4. -8х+(-25х-1)=-25х-17
– 8x – 25x – 1 = – 25x – 17
– 8x – 25x + 25x = – 17 + 1
-8x = -16
x = 2