Answer
G=$\frac{V}{N-R}$
Work Step by Step
N=R+$\frac{V}{G}$
N-R=$\frac{V}{G}$
G(N-R)=G$\frac{V}{G}$
G(N-R)=V
$\frac{G(N-R)}{N-R}$=$\frac{V}{N-R}$
G=$\frac{V}{N-R}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.