SOLUTION: Having trouble solving: 2k+ar=r-3y solve for r

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Question 52832: Having trouble solving: 2k+ar=r-3y solve for r
Answer by rchill(405) About Me  (Show Source):
You can put this solution on YOUR website!
Adding 3y to both sides gives us 2k%2B3y%2Bar=r, but we still have an 'r' on the left side of the equation. Therefore, subtract ar from both sides to get 2k%2B3y=r-ar. Factoring out r on the right side we get 2k%2B3y=r%281-a%29. Finally, divide both sides by 1-a to get %282k%2B3y%29%2F%281-a%29=r.