SOLUTION: Please help with solving equation for r : q = rs/(r+s). I tried multiplying by (r+s), but cannot figure out how to get both r's together. Thanks

Algebra ->  Equations -> SOLUTION: Please help with solving equation for r : q = rs/(r+s). I tried multiplying by (r+s), but cannot figure out how to get both r's together. Thanks      Log On


   

Question 163525This question is from textbook Algebra 2 A Teaching Textbook
: Please help with solving equation for r : q = rs/(r+s).
I tried multiplying by (r+s), but cannot figure out how to get both r's together.
Thanks This question is from textbook Algebra 2 A Teaching Textbook

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
q=rs/(r+s)
q(r+s)=rs
qr+qs=rs
qr-rs=-qs
r(q-s)=-qs
r=-qs/(q-s)