Solve for A
A=7n-60
Solve for n
n=\frac{A+60}{7}
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7n-60=A
Combine 12n and -5n to get 7n.
A=7n-60
Swap sides so that all variable terms are on the left hand side.
7n-60=A
Combine 12n and -5n to get 7n.
7n=A+60
Add 60 to both sides.
\frac{7n}{7}=\frac{A+60}{7}
Divide both sides by 7.
n=\frac{A+60}{7}
Dividing by 7 undoes the multiplication by 7.
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