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Solve for f
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Solve for m
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2m=72f
Multiply both sides of the equation by 9.
72f=2m
Swap sides so that all variable terms are on the left hand side.
\frac{72f}{72}=\frac{2m}{72}
Divide both sides by 72.
f=\frac{2m}{72}
Dividing by 72 undoes the multiplication by 72.
f=\frac{m}{36}
Divide 2m by 72.
2m=72f
Multiply both sides of the equation by 9.
\frac{2m}{2}=\frac{72f}{2}
Divide both sides by 2.
m=\frac{72f}{2}
Dividing by 2 undoes the multiplication by 2.
m=36f
Divide 72f by 2.