Maths Linear Equations in Two Variables NCERT Solutions for Class 9th Maths: Chapter 4 By Shivam Varshney - June 10, 2017 0 1725 NCERT Solutions for Class 9th Maths: Chapter 4 Linear Equations in Two Variables Linear Equations in Two Variables Ex 4.1 Linear Equations in Two Variables Ex 4.2 Linear Equations in Two Variables Ex 4.3 Linear Equations in Two Variables Ex 4.4 Extra Questions for Linear Equations in Two Variables