SOLUTION: Tony is 56 years younger than stacy, 4 years ago, stacy age was 3 times tony age. How old is tony now

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Question 1124293: Tony is 56 years younger than stacy, 4 years ago, stacy age was 3 times tony age. How old is tony now
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
y, Tony
x, Stacy
system%28y=x-56%2Cx-4=3%28y-4%29%29
Solve for y.