SOLUTION: the sum of present ages of a father and son is 53 years. four years ago, the father's age was 4 times the of the son. find their present ages.

Question 926065: the sum of present ages of a father and son is 53 years. four years ago, the father's age was 4 times the of the son. find their present ages.
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = father age now
y = son age now
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x + y = 53
x - 4 = 4(y - 4)
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x + y = 53
x - 4 = 4y - 16
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x + y = 53
x - 4y = -12
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put the system of linear equations into standard form
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x + y = 53
x - 4y = -12
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = father age now = 40
y = son age now = 13
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