Question

The age of a father is 2 less than 7 times the age of his son. In 3 years, the sum of their ages will be 52. If the son's present age is syears, which equation

models this situation?

Answer 1

(7s-2+3)+(s+3)=52

Explanation:

Let the present age of the son be s years.

then the age of the father is 7s-2

in three years the sum of their ages will be 52

7s-2+3+s+3=52

8s+4=52

8s=52-4

8s=48

s=6 years