Mira is three years older than jyoti. Form an expression for their ages 5 years ago.
Let jyoti's age be x years
mira's age = x+3 years
Five Years ago, jyoti's age will be x-5 years
and mira's age will be x+3-5=x-2 years
Five years ago, a man was seven times older than his son .Five years hence, he is three times older. Find out their current ages