SOLUTION: A formula from physics: C = E / R + (r / n) Solve for n. Not sure how to solve. Non-homework.

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Question 1109031: A formula from physics:
C = E / R + (r / n)

Solve for n.
Not sure how to solve. Non-homework.

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
C = E%2FR + r%2Fn
multiply equation by Rn, get rid of the denominators
CRn = En + Rr
CRn - En = Rr
factor out n
n(CR-E) = Rr
divide both sides by (CR-E)
n = %28Rr%29%2F%28CR-E%29