12x=3x+2
x+4x=2
10x+5-3x+2=3x+4
6x-4+5x=2x+15
x+3-2x=4
5x+7=11x+3
2x+4=3
8+3x-2=10
x-4=7
10x+4=8
2/5
4/10
11
-1
-1/2
4/3
2/9
2/3
-3/4
19/9
