\{ 12 y + 20 x = 112
Solve for x
x=\frac{28-3y}{5}
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20x=112-12y
Subtract 12y from both sides.
\frac{20x}{20}=\frac{112-12y}{20}
Divide both sides by 20.
x=\frac{112-12y}{20}
Dividing by 20 undoes the multiplication by 20.
x=\frac{28-3y}{5}
Divide 112-12y by 20.
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