Question

after 32 years, navin will be three times as old as he was 8 year ago. find the persent age.

Answer 1

$let \: his \: present \: age \: be \: \: x \: years \\ x + 32 = (x - 8)3 \\ x + 32 = 3x - 24 \\ 2x \: = 56 \\ x \: = 28 \\navins \: present \: age \: is \: 28years$

Answer 2

32 years from now=x+32
8 years back=x-8
3 times of x-8=3 (x-8)
3 (x-8)=3x-24
now, equate what u have.
x+32=3x-24
-2x=-24-32
-2x=-56
x=28

so, present age will be 28 years.