( CH 4 )LINEAR EQUATIONS IN TWO VARIABLES. Class 9th MATHEMATICS ( CH 4 )LINEAR EQUATIONS IN TWO VARIABLES. Lesson Content 0% Complete 0/7 Steps 4.1 INTRODUCTION. 4.2 LINEAR EQUATIONS. 4.3 SOLUTION OF A LINEAR EQUATION. 4.4 GRAPH OF A LINEAR EQUATION. 4.5 MULTIPLE CHOICE QUESTIONS. 4.6 SUMMARY. 4.7 SELF TEST. Previous Lesson Back to Course Next Lesson admin2020-09-24T00:56:03+00:00