Solve for x
x=\frac{y-2300}{70}
Solve for y
y=70x+2300
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70x=y-2300
Subtract 2300 from both sides.
\frac{70x}{70}=\frac{y-2300}{70}
Divide both sides by 70.
x=\frac{y-2300}{70}
Dividing by 70 undoes the multiplication by 70.
x=\frac{y}{70}-\frac{230}{7}
Divide y-2300 by 70.
y=70x+2300
Swap sides so that all variable terms are on the left hand side.
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