Yes, it is compulsory to learn all three methods to solve a pair of linear equations in two variables of NCERT Solutions for Class 10 Maths Chapter 3. These topics will continue in higher studies as well as may come in their finals of Class 10. These concepts are explained by BYJU’S flawlessly. Hence, the main aim of these solutions formulated by BYJU’S experts is to provide knowledge on the fundamental aspects of Maths, which in turn, helps students to understand every concept clearly.