2x-7=6
2x=13
x=6.5
4x+10=-10
4x=-20
x=-5
2x-10=-3
2x=7
x=3.5
2x+6=8
2x=2
x=1
-2x-3=1
-2x=4
x=-2
-5x-9=-6
-5x=3
x=-0.6
-4x+4=-6
-4x=-10
x=2.5
-5x-1=4
-5x=5
x=-1
-4x+8=-7
-4x=-15
x=3.75
10x+1=6x
4x=-1
x=-0.25
5-2x=8x+9
10x=-4
x=-0.4