You can put this solution on YOUR website! ---
x = 4y
(x - 10) + (y - 10) = 60
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put the system of linear equations into standard form
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x - 4y = 0
x + y = 80
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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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answer:
x= father = 64
y= son = 16
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
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