SOLUTION: If a certain number is added to the numerator and denominator of 715, the result is 1/3, Find the number?

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Question 225868: If a certain number is added to the numerator and denominator of 715, the result is 1/3, Find the number?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(x+715)/(x+1) = 1/3
x+1 = 3x + 2145
2x = -2144
x = -1072
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(715-1072)/-1071 = -357/-1071 = 1/3