Solve for x
x=\frac{7-y}{6}
Solve for y
y=7-6x
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6x=7-y
Subtract y from both sides.
\frac{6x}{6}=\frac{7-y}{6}
Divide both sides by 6.
x=\frac{7-y}{6}
Dividing by 6 undoes the multiplication by 6.
y=7-6x
Subtract 6x from both sides.
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