SOLUTION: Timothy’s age in 9 years will be three times what it was 11 years ago. How old is Timothy now?

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Question 383287: Timothy’s age in 9 years will be three times what it was 11 years ago. How old is Timothy now?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
t+9 = 3(t-11);
t+9 = 3t - 33;
9+33 = 3t- t;
42 = 2t;
t = 21, timothy's age now.