y=-2.5x+12.5
step-by-step explanation:
5y=2x+10
y=0.4x+2
slope=-2.5
5=-2.5*3+b
b=12.5
below
1. 5/1
2. 10/16
3. 90/2
4. 1/20
5. 3/1
6. 14/24
7. 1/4
8. 18/10