SOLUTION: Change the subject of e=(Kl/l+a) to l Thanks

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Question 964195: Change the subject of e=(Kl/l+a) to l
Thanks
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
Let L=l for clarity ( I confuse l with 1 (one))
e=KL/L+a Multiply each side by L+a
e(L+a)=KL
eL+ea=KL Subtract eL from each side.
ea=KL-eL
ea=L(K-e) Divide each side by (K-e)
ea/(K-e)=L
ANSWER: L=ea/(K-e)