( 63 x + 17 y = 143
Solve for x
x=\frac{143-17y}{63}
Solve for y
y=\frac{143-63x}{17}
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63x=143-17y
Subtract 17y from both sides.
\frac{63x}{63}=\frac{143-17y}{63}
Divide both sides by 63.
x=\frac{143-17y}{63}
Dividing by 63 undoes the multiplication by 63.
17y=143-63x
Subtract 63x from both sides.
\frac{17y}{17}=\frac{143-63x}{17}
Divide both sides by 17.
y=\frac{143-63x}{17}
Dividing by 17 undoes the multiplication by 17.
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