Answer:
1. 2, 3
2. 3, 7
3. 5, 2
4. 16, -10
Step-by-step explanation:
1. y=y x+1=y=4x-5 x+1=4x-5 3x=6 x=2 y=3
2. x+y = 10 y=10-x y=y 3x-2=10-x 4x=12 x=3 y=7
3. y=7-x x-(7-x)=3 x-7+x=3 2x=10 x=5 y=2
4. y=6-x 2x+(6-x)=10 x+6=10 x=16 y=-10
