1/ 10x = 4-x
10x+x=4
11x=4
x=4/11
2/ 3-3x=8-6x
6x-3x=8-3
3x=5
x=5/3
3/ 7x+5=-2-7
7x=-9-5
7x=-14
x=-14/7
x=-2
4/ 8-9x=2x+2
-9x-2x=2-8
-11x=-6
x=6/11
5/ 9x+4=2-x
9x+x=2-4
10x=-2
x=-1/5
6/ 2x-1=-3x-5
2x+3x=1-5
5x=-4
x=-4/5
7/ x=4x+7
x-4x=7
-3x=7
x=-7/3
8/ 5-2x =5x-7
-2x-5x=-7-5
-7x=-12
x=12/7
9/ 5-4x=3-8x
8x-4x=3-5
4x=-2
x=-1/2
10/ -10x=-x-9
-10x+x=-9
-9x=-9
x=1