Question

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

Answer:

Let my present age=x years

After 12 years my age=x+12 years

4 years ago my age =x−4 years

According to the question,

x+12=3(x−4)

⇒x+12=3x−12

⇒3x−x=12+12

⇒2x=24 or x=

2

24

=12 years.

∴ my present age is 12 years.