3-4x=4x-5
-4x - 4x = -5-3
-8x = -8
x = 1
4x+4=-6x-5
4x + 6x = - 5 - 4
10x = -9
x = -0,9
3x+3=-2-7x
3x + 7x = -2 - 3
10x = -5
x = -0,5
-1-8x=-10x+3
-8x + 10x = 3 + 1
2x = 4
x = 2
7-6x=-4x-6
-6x + 4x = -6 - 7
-2x = - 13
x = 6,5
-7x-7=4-8x
-7x + 8x = 4+7
x = 11
9-4x= -9x-4
-4x + 9x = -4- 9
5x = - 13
x = -2,6
3-4x=-8x+9
-4x + 8x = 9 - 3
4x = 6
x = 1,5
2(x-7)=3
2x = 3 + 14
2x = 17
x = 8,5
5(x-9)=-2
5x - 45 = -2
5x = -2 +45
5x = 43
x = 8,6