You can put this solution on YOUR website! my daughter asked how old i am. i answered '' in 20 years , I'll be twice as old as i was 12 years ago''. how old am i?
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Let your age now be "x"::::
Equation:
x + 20 = 2(x-12)
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x+20 = 2x-24
x = 44 yrs (your age now)
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Cheers,
Stan H.
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