### Linear Equations In Two Variables Class 9 (Chapter 4) - Notes

2020-9-30 · Linear Equations in Two Variables Class 9 Notes Understanding the Lesson. 1. Equation: An equation is a mathematical statement that two things are equal. It consists of two expressions one on each side of an equals sign. For example,7x + 9 = 0. 2. An equation in a statement of an equality containing one or more variables.

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