Answer:
Bryson is 14 years old.
Solution:
Let us assume that the age of Bryson is x .
Bryson's dad is 38 years old and he is four years less than three times brysons age . Three time of Bryson’s age is 3x . So, the equation will be

On grouping the terms to find x we get,
Then

So, Bryson age is 14 years .