after 12 years , I shall be 3 times as old as I was 4 years ago find present age
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Let the present age be x
After 12years= x+12
4 years ago = 3(x-4)
equation= x+12=3(x-4)
x+12=3x-12
x-3x=-12-12
-2x=-24
x=12
Present age= 12
just verify the answer
After 12years= x+12
4 years ago = 3(x-4)
equation= x+12=3(x-4)
x+12=3x-12
x-3x=-12-12
-2x=-24
x=12
Present age= 12
just verify the answer
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