-8x+4y=20

Add 8x to both sides of the equation.

4y=20+8x

Divide each term in 4y=20+8x by 4.

4y4=204+8×4

Cancel the common factor of 4.

Cancel the common factor.

4y4=204+8×4

Divide y by 1.

y=204+8×4

y=204+8×4

Simplify each term.

Divide 20 by 4.

y=5+8×4

Cancel the common factor of 8 and 4.

Factor 4 out of 8x.

y=5+4(2x)4

Cancel the common factors.

Factor 4 out of 4.

y=5+4(2x)4(1)

Cancel the common factor.

y=5+4(2x)4⋅1

Rewrite the expression.

y=5+2×1

Divide 2x by 1.

y=5+2x

y=5+2x

y=5+2x

y=5+2x

y=5+2x

Solve for y -8x+4y=20