Solve for y
y=-\frac{x}{15000}+6
Solve for x
x=90000-15000y
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90000-15000y=x
Swap sides so that all variable terms are on the left hand side.
-15000y=x-90000
Subtract 90000 from both sides.
\frac{-15000y}{-15000}=\frac{x-90000}{-15000}
Divide both sides by -15000.
y=\frac{x-90000}{-15000}
Dividing by -15000 undoes the multiplication by -15000.
y=-\frac{x}{15000}+6
Divide x-90000 by -15000.
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