X=8 - x+4=12
X=19 - x+3=4
2-10=-8 - x-2y=
2X=32 - x=4
X-100+25=-25 - x+4=12
X+75=100 - x=25
X=8 - x=33
X=9 - 4x+2=38
5X-1=3X+11 - x=6