Linear equations

[Abhishekdas]

A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time? Explain!

 

[stapel]

A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time? Explain!

To learn how to set up and solve this sort of age-related exercise, please study at least two lessons from (this) list. Then please attempt the exercise. Thank you!