1368)1)x=-y+3; y=-x+3

2)x=-4y-12; 4y=-x-12

3)-2x=-y+7; y=2x+7

4)x=3y+6; -3y=-x+6

5)4x=y+3; -y=-4x+3

6)-x=-2y+5; 2y=x+5

1369 1)x=5y+3; -5y=-x+3

2)2x=-7y+10; 7y=-2x+10

3)4x=y+8; -y=-4x+8

4)x=-3y-2; 3y=-x-2

5)5x=-y+10; y=-5x+10

-x=-8y-3; 8y=x-3