03 Jun Class 9 - Linear equations in two variables, Math - Class 9 | NCERTClass 9 math tutorials, geometric representation of a linear equation, graph of a linear equation, linear equations, linear equations in two variables, math, mathemafia, mathematics, NCERT, solution of a linear equation Question 2: Write four solutions for each of the following equations:(i) 2x+y=7 (ii) πx+y=9 (iii) x=4y Question 1 Question 3 & 4 In this video, linear Equations, variables, constants are explained in detail with example and demonstration by plotting solutions on graph. This video is intended for class 9 and class 10 students.