Solve for x
x=\frac{y+320}{20}
Solve for y
y=20\left(x-16\right)
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y=20x-0x^{2}-320
Multiply 0 and 2 to get 0.
y=20x-0-320
Anything times zero gives zero.
20x-0-320=y
Swap sides so that all variable terms are on the left hand side.
20x-0=y+320
Add 320 to both sides.
20x=y+320+0
Add 0 to both sides.
20x=y+320
Add 320 and 0 to get 320.
\frac{20x}{20}=\frac{y+320}{20}
Divide both sides by 20.
x=\frac{y+320}{20}
Dividing by 20 undoes the multiplication by 20.
x=\frac{y}{20}+16
Divide y+320 by 20.
y=20x-0x^{2}-320
Multiply 0 and 2 to get 0.
y=20x-0-320
Anything times zero gives zero.
y=20x-320
Reorder the terms.
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