SOLUTION: How do u do this question: Solve for "r" in the formula: S=L-rL

Algebra ->  Functions -> SOLUTION: How do u do this question: Solve for "r" in the formula: S=L-rL      Log On


   

Question 61053This question is from textbook Algebra 1
: How do u do this question: Solve for "r" in the formula: S=L-rL This question is from textbook Algebra 1

Answer by joyofmath(189) About Me  (Show Source):
You can put this solution on YOUR website!
How do u do this question: Solve for "r" in the formula: S=L-rL
S=L-rL
So, S=L%281-r%29
Divide both sides by L.
Then, S%2FL+=+1-r
Subtract 1 from both sides.
Then, S%2FL+-+1+=+-r
Multiply both sides by -1.
Then 1+-+S%2FL+=+r