Question

d) Seven years ago, father was seven times as old as his son was. Three years
hence, he will be three times as old as his son. Find their present age.​

Answer 1

Answer:

son is 12, father is 42

Step-by-step explanation:

where x = son's age and y is the father's age

Answer 2

Step-by-step explanation:

let Y is the age of the father

let x is the age of the son