Solve for x
x=\frac{y+7}{4}
Solve for y
y=4x-7
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y=4x-7
Combine -2x and 6x to get 4x.
4x-7=y
Swap sides so that all variable terms are on the left hand side.
4x=y+7
Add 7 to both sides.
\frac{4x}{4}=\frac{y+7}{4}
Divide both sides by 4.
x=\frac{y+7}{4}
Dividing by 4 undoes the multiplication by 4.
y=4x-7
Combine -2x and 6x to get 4x.
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