how to solve this problem
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let the present age of son be x
son=x
father=3x
a/q
3x+12=2(x+12)
3x+12=2x+24
3x-2x=24-12
x=12
the present age of son=12
father-3*12 =36
son=x
father=3x
a/q
3x+12=2(x+12)
3x+12=2x+24
3x-2x=24-12
x=12
the present age of son=12
father-3*12 =36
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