4x-3=6+7x
-3-6=7x-4x
3x=-9
x=-3
8+2x=4x+7
8-7=4x-2x
2x=1
x=0.5
-2x+4=17x-6
4+6=17x+2x
19x=10
x=10/19
20x-19=-10x+11
20x+10x=11+19
30x=30
x=1
7x-18=2-3x
7x+3x=2+18
10x=20
x=2
9x-7=-1x+5
9x+x=5+7
10x=12
x=1.2
-40+x=20-5x
x+5x=20+40
6x=60
x=10
3x-2=-47x+3
3x+47x=3+2
50x=5
x=0.1
5x-94=26-1x
5x+x=26+94
6x=120
x=20
-15+2x=5-3x
2x+3x=5+15
5x=20
x=4