NCERT Exercise 3.2 - Q3(vi) - Pair of Linear Equations in Two Variables
Question: Form the pair of linear equations for the following problems and find their solution by substitution method. (vi) Five years hence, the age of Jacob will be three times that of his son. Five years ago, Jacob’s age was seven times that of his son. What are their present ages?
Answer: Jacob's age is 40 years, and his son's age is 10 years.
Full step-by-step NCERT solution with diagrams on Something by Zero.