Question

After 12 years, I shall be 3 times as old as I was 4 years ago. find my present age

Answer 1

let the present age be x
Age after 12 years=x+12
Age before 4 years=x-4
Then, (x+12)= 3(x-4)
x+12= 3x-12
24=3x-x
24=2x
x=12

Answer 2

Answer:

X=12

Step-by-step explanation:

Let the present age be=X

After 12 years =X+12

Age before 4 years=X-4

(X+12)=3(X-4)

X+12=3X-12

24=2X

24/2

X=12