ICSE Class 9 Maths Substitution Method

Q.

The sum of two times Ajay’s age and 5 times Mohit’s age is 12. Also, the difference between 4 times Ajay’s age and Mohit’s age is 2 years. What is Ajay’s age?



Q.

The cost of a table is 3 times the cost of a chair. The total cost of 4 chairs and a table is Rs. 2100. Find the cost of a table.



Q.

The difference between 9 times the age of Ram and 4 times the age of Jay is 14. Also, the difference between 7 times the age of Ram and 3 times the age of Jay is 11 years. Ram is



Learn the concept of substitution method to solve a pair of linear equations. Apply the same to solve word problems.