Solve for x
x=\frac{y+80}{8}
Solve for y
y=8\left(x-10\right)
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8x=y+80
Add 80 to both sides.
\frac{8x}{8}=\frac{y+80}{8}
Divide both sides by 8.
x=\frac{y+80}{8}
Dividing by 8 undoes the multiplication by 8.
x=\frac{y}{8}+10
Divide y+80 by 8.
y=8x-80
Swap sides so that all variable terms are on the left hand side.
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Limits
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