(10x-3)+(14x-4)=8-(15-22x)
10x-3+14x-4=8-15+22x
10x+14x-22x=-7+3+4
2x=0:2
x=0
(2x+3)-(5x+11)=7+(13-2x)
2x+3-5x-11=7+13-2x
-3x+2x=20-3+11
-x=28:(-1)
x=-28
(7-10x)-(8-8x)+(10x+6)=-8
7-10x-8+8x+10x+6=-8
8x=-8-7+8-6
8x=-13:8
x=-1 5/8
(2x+3)+(3x+4)+(5x+5)=12-7x
2x+3+3x+4+5x+5=12-7x
10x+7x=12-3-4-5
17x=0:17
x=0