SOLUTION: x is now twice as old as y. Four years ago x was three times as old as y was then. How old is x now?

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Question 604220: x is now twice as old as y. Four years ago x was three times as old as y was then. How old is x now?
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
x = 2y
x-4 = 3(y-4)
2y-4 = 3y -12
y= 8
x = 16