SOLUTION: Ade is 16, His Father 43, How many years ago was His Father 4 times his age?

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Question 1099225: Ade is 16, His Father 43, How many years ago was His Father 4 times his age?
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
43-x = 4*(16-x).

43-x = 64 - 4x,

4x - x = 64 - 43 = 21  ====>  3x = 21  ====>  x = 21%2F3 = 7.


Answer.  7 years ago.


Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
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Ade is 16, His Father 43, How many years ago was His Father 4 times his age?
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43-x=4%2816-x%29
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