Question

Before 5 years a man was 3 years times his boy but after 10 years the father's age will be 6 more than 2 times his boy.

Find the age of the father.
And the age of the son.

Answer 1

(m-5) = 3(b-5)
(m+10) = 6+2(b+10)

Now just solve for their ages.