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:

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Let the age before 4 years be x

Therefore by the given condition:

the equation formed is :

3x = x + 4 + 12

3x = x + 16

3x - x = 16

2x = 16

x = 16/2

x = 8

therefore the age before 4 years was 8

present age = 8+4

= 12

Answer 2

Let the present age of person be X year ...

There's fore..

4 year ago his age Will be

(x-4years ).

12 year after his age Will be

( X +12 years)

According to the question..

3 (x-4 )=x+12

3x-12=x+12

2x=24

X=12

hope it is help..