Solve for y
y=\frac{5-x}{11}
Solve for x
x=5-11y
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11y=5-x
Subtract x from both sides.
\frac{11y}{11}=\frac{5-x}{11}
Divide both sides by 11.
y=\frac{5-x}{11}
Dividing by 11 undoes the multiplication by 11.
x=5-11y
Subtract 11y from both sides.
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