Question

after 18 years a boy will be 4 times as old as he is now what is present age​

Answer 1

Answer:

x + 18 = 4x x – 4x = -18 – 3x = -18 – 3x/3 = (-18/3) x = 6Read more on Sarthaks.com - https://www.sarthaks.com/849085/after-18-years-swarnim-will-be-4-times-as-old-as-he-is-now-his-present-age-is

Answer 2

Answer:

Let the present age of the boy be x

so

$x + 18 = 4x \\ 18 = 4x - x \\ 18 = 3x \\ \frac{18}{3} = x \\ 6 = x$

So the present age of boy is 6 years