Solve for x
x=-\frac{y}{3}+36
Solve for y
y=108-3x
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4\times 27=3x+y
Multiply both sides by 27.
108=3x+y
Multiply 4 and 27 to get 108.
3x+y=108
Swap sides so that all variable terms are on the left hand side.
3x=108-y
Subtract y from both sides.
\frac{3x}{3}=\frac{108-y}{3}
Divide both sides by 3.
x=\frac{108-y}{3}
Dividing by 3 undoes the multiplication by 3.
x=-\frac{y}{3}+36
Divide 108-y by 3.
4\times 27=3x+y
Multiply both sides by 27.
108=3x+y
Multiply 4 and 27 to get 108.
3x+y=108
Swap sides so that all variable terms are on the left hand side.
y=108-3x
Subtract 3x from both sides.
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