Linear Equations in Two Variables

An equation which contains two variables and the degree of each term containing variable is one, is called a linear equation in two variables.

They are also called as simultaneous linear equations.

The general form of a linear equation in two variables :

ax + by +c = 0

Where a, b, c are real numbers and the same time a, b are not equal to zero.

Ex. 2x – y = 4

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