after 12 years, i shall be three times as old as i was 4 year. ago.find my present age
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Let your present age be x
Then age after 12 years=x+12
Age before 4 years=x-4
So
x+12=3(x-4)
x+12=3x-12
2x=24
x=12
You present age is 12 years
Then age after 12 years=x+12
Age before 4 years=x-4
So
x+12=3(x-4)
x+12=3x-12
2x=24
x=12
You present age is 12 years
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