Solve for d
d=\frac{12\left(P-15\right)}{5}
Solve for P
P=\frac{5\left(d+36\right)}{12}
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15+\frac{5d}{12}=P
Swap sides so that all variable terms are on the left hand side.
\frac{5d}{12}=P-15
Subtract 15 from both sides.
5d=12P-180
Multiply both sides of the equation by 12.
\frac{5d}{5}=\frac{12P-180}{5}
Divide both sides by 5.
d=\frac{12P-180}{5}
Dividing by 5 undoes the multiplication by 5.
d=\frac{12P}{5}-36
Divide -180+12P by 5.
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