NCERT solutions for chapter Linear equation will introduce the students to the linear equation in two variables, along with recalling the knowledge of linear equations in one variable. Linear equation in two variables, i.e., ax + by + c = 0. Students will also learn to plot the graph of a linear equation in two variables. There are 4 exercises in this chapter that consist of questions related to finding the solutions of a linear equation, plotting a linear equation on the graph and other topics discussed in the chapter.