Solve for x
x=-\frac{y}{28}+\frac{1}{7}
Solve for y
y=4-28x
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28x=4-y
Subtract y from both sides.
\frac{28x}{28}=\frac{4-y}{28}
Divide both sides by 28.
x=\frac{4-y}{28}
Dividing by 28 undoes the multiplication by 28.
x=-\frac{y}{28}+\frac{1}{7}
Divide 4-y by 28.
y=4-28x
Subtract 28x from both sides.
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