1) x=10-y; y=10-x
2) y=2x-5; x=5+y/2
3) y=-6+x; x=6+y
4) x=8+5y; y=x-8/5
5) y=6x/5; x=5y/6
6) x=-11-3y/4; y=-11-4x/3
7) y=-2-9x/5; x=-2-5y/9
1) x=10-y; y=10-x
2) y=2x-5; x=5+y/2
3) y=-6+x; x=6+y
4) x=8+5y; y=x-8/5
5) y=6x/5; x=5y/6
6) x=-11-3y/4; y=-11-4x/3
7) y=-2-9x/5; x=-2-5y/9