Solve for x
x=\frac{1-y}{256}
Solve for y
y=1-256x
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256x=1-y
Subtract y from both sides.
\frac{256x}{256}=\frac{1-y}{256}
Divide both sides by 256.
x=\frac{1-y}{256}
Dividing by 256 undoes the multiplication by 256.
y=1-256x
Subtract 256x from both sides.
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