After 12 Years I Shall Be 3 Times As Old As 1 Was 4 Years Ago

After 12 years I shall be 3 times as old as 1 was 4 years ago. Find my present age.

Answers:

Let present age = x years
According to question,
(x + 12) = 3(x – 4)
x + 12 = 3x – 12
2x = 24
=> x = 12 years
Present age = 12 years