Question

the age of Arjun is twice the sum of the ages of his two children after 20 years his age will be equal to the sum of the ages of his childrens find the age of the father

please answer with its steps clearly I will mark as brain list

Answer 1

Let the age of his sons be a and b
age of Arjun = 2a+2b
After 20 years, age of Arjun = 20+ his son's current age.
20+a+b = 2(a+b)
a+b equals 20
If a = b
Age of father is 40