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Linear Equations in Two Variables

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9th class > Linear Equations in Two Variables > Summary

Summary

In this chapter, you have studied the following points:

  1. An equation of the form ax + by + c = 0, where a, b and c are real numbers, such that a and b are not both zero, is called a linear equation in variables.

2. A linear equation in two variables has solutions.

3. This means that point on the graph of a linear equation in two variables is a solution of the linear equation.

4. Moreover, every solution of the linear equation is a point on the graph of the linear equation.