1) 8+11=6х+13
– 6x = 13 – 11 – 8
-6x = -6
x = 1
2) 4*(5х+2)=7х-5
20x + 8 = 7x – 5
20x – 7x = – 5 – 8
13x = -13
x = -1
3) 7*(2х-1)-3х=х-17
14x – 7 – 3x = 1x – 17
14x – 3x – x = – 17 + 7
10x = -10
4) 5х-5*(4х+3)=6*(5х-1)
5x – 20x – 15 = 30x – 6
5x – 20x – 30x = – 6 + 15
-45x = 9
x = -0.2
5) 4х-7*(3х-5)=4-3*(4х-7)
4x – 21x + 35 = 4 – 12x + 21
4x – 21x + 12x = 21 + 4 – 35
-5x = -10
x = 2
6) 2,4-(х-0,1)-0,26=2,4х-0,4
2.4 – x + 0.1 – 0.26 = 2.4x – 0.4
– x – 2,4x = – 0,4 + 0,26 – 0,1 – 2,4
-3.4x = -2.64
-340x = -264
-85x = -66
x = -66/-85
х=0,77647058823
1) 8+11=6х+13
– 6x = 13 – 11 – 8
-6x = -6
x = 1
2) 4*(5х+2)=7х-5
20x + 8 = 7x – 5
20x – 7x = – 5 – 8
13x = -13
x = -1
3) 7*(2х-1)-3х=х-17
14x – 7 – 3x = 1x – 17
14x – 3x – x = – 17 + 7
10x = -10
x = -1
4) 5х-5*(4х+3)=6*(5х-1)
5x – 20x – 15 = 30x – 6
5x – 20x – 30x = – 6 + 15
-45x = 9
x = -0.2
5) 4х-7*(3х-5)=4-3*(4х-7)
4x – 21x + 35 = 4 – 12x + 21
4x – 21x + 12x = 21 + 4 – 35
-5x = -10
x = 2
6) 2,4-(х-0,1)-0,26=2,4х-0,4
2.4 – x + 0.1 – 0.26 = 2.4x – 0.4
– x – 2,4x = – 0,4 + 0,26 – 0,1 – 2,4
-3.4x = -2.64
-340x = -264
-85x = -66
x = -66/-85
х=0,77647058823