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LINEAR EQUATIONS IN ONE VARIABLE

Linear equations in two variable of Class 9

An equation of the form ax + b = 0 where a and b are real numbers and ‘x’ is a variable, is called a linear equation in one variable.

Here ‘a’ is called coefficient of x and ‘b’ is called as a constant term. i.e. 3x + 5 = 0, 7x – 2 = 0 etc.

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