x=3-2
x=1
3.x+3=0
x=0-3
x=-3
4.x+4=-3
x=-3-4=-7
5.x+3=9
x=9-3=3
6.x-1=-5
x=-5+1=-4
7.2x-5=0
2x=0-5
2x=-5
x=-2.5
8.5x+1=0
5x=0-1=-1
x=-1/5
9.5x+3-3=0
x=3-2
x=1
3.x+3=0
x=0-3
x=-3
4.x+4=-3
x=-3-4=-7
5.x+3=9
x=9-3=3
6.x-1=-5
x=-5+1=-4
7.2x-5=0
2x=0-5
2x=-5
x=-2.5
8.5x+1=0
5x=0-1=-1
x=-1/5
9.5x+3-3=0