x+y+z-4=x
x+y+z-8=y
x+y+z-10=z
x+y+z-x=4
x+y+z-y=8
x+b+z-z=10
y+z=4
x+z=8
x+y=10
y+z+x+z+x+y=4+8+10
2x+2y+2z=22
x+y+z=11
x+y+z-4=x
x+y+z-8=y
x+y+z-10=z
x+y+z-x=4
x+y+z-y=8
x+b+z-z=10
y+z=4
x+z=8
x+y=10
y+z+x+z+x+y=4+8+10
2x+2y+2z=22
x+y+z=11