Question

Solve the equation for y: -8x + 4y = 20

Answer 1

y=2x+5

Explanation:

−8x+4y=20

Step 1: Add 8x to both sides.

−8x+4y+8x=20+8x

4y=8x+20

Step 2: Divide both sides by 4.

4y4=8x+204

y=2x+5

Answer 2

y=5+2x

Explanation:

-8x+4y=20

4y=20+8x /:4

y=20/4+8x/4

y=5+2x