In this post, we have discussed the solution of the Class 9 Maths Chapter 4 The
Exercise 4.1 Class 9 Maths Chapter 4 Linear Equation in two variables
1. The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be тВ╣x and that of a pen to be тВ╣y).
2. Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:
