Question

after 12 year I shall be 3 times as old as I was 4 years ago find my present age

Answer 1

Hi,
Present age be X.
X+12=3(X-4)
X+12=3X-12
12+12=3X-X
24=2X
X=12
Bhai,plz mark as brainaist...

The present age is 12 years.

Answer 2

let the present age be X

so, after 12 years,
age=X+12
it is mentioned that after 12 u will be 3 times than 4 years ago.
4years ago= X-4

so,
3(X-4)=X+12
3X -12=X+12
3X-X=12+12
2X=24
X=24÷2
X=12

so ur present age is 12