Solve for x
x=\frac{y+15}{6}
Solve for y
y=6x-15
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6x-15=y
Swap sides so that all variable terms are on the left hand side.
6x=y+15
Add 15 to both sides.
\frac{6x}{6}=\frac{y+15}{6}
Divide both sides by 6.
x=\frac{y+15}{6}
Dividing by 6 undoes the multiplication by 6.
x=\frac{y}{6}+\frac{5}{2}
Divide y+15 by 6.
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