SOLUTION: Solve for r. R(s + r) = sr

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Question 648860: Solve for r. R(s + r) = sr
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
R(s+r) = sr
Rs + Rr = sr
Rr-sr= -Rs
r(R-s) = -Rs
r = -Rs/(R-s)