Question 276636
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Let *[tex \Large x] represent the son's age.  Then the father is *[tex \Large 5x] now.  In five years the son will be *[tex \Large x\ +\ 5] and the father will be *[tex \Large 3(x\ +\ 5)] but he will also be *[tex \Large 5x\ +\ 5] 


So:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 3(x\ +\ 5)\ =\ 5x\ +\ 5]


Just solve for *[tex \Large x]


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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