-7x+2=3x-1
-10x+3 = 0
10x-3 = 0
10x = 3
x = 3/10
х=0,3
10x+7=8x-9
2x+16 = 0
2x = -16
x = -8
20-3x=-2x-35
-x+55 = 0
x-55 = 0
x = 55
-11x-9=-4x-19
-7x+10 = 0
7x-10 = 0
7x = 10
x = 10/7
х=1,42857142857
-7x+2=3x-1
-10x+3 = 0
10x-3 = 0
10x = 3
x = 3/10
х=0,3
10x+7=8x-9
2x+16 = 0
2x = -16
x = -8
20-3x=-2x-35
-x+55 = 0
x-55 = 0
x = 55
-11x-9=-4x-19
-7x+10 = 0
7x-10 = 0
7x = 10
x = 10/7
х=1,42857142857