y=2x-7

Rewrite the equation as 2x-7=y.

2x-7=y

Add 7 to both sides of the equation.

2x=y+7

Divide each term in 2x=y+7 by 2.

2×2=y2+72

Cancel the common factor of 2.

Cancel the common factor.

2×2=y2+72

Divide x by 1.

x=y2+72

x=y2+72

x=y2+72

Solve for x y=2x-7