LINEAR EQUATIONS IN TWO VARIABLES The principal use of the Analytic Art is to bring Mathematical Problems to Equations and to exhibit those Equations in the most simple terms that can be  
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Linear Equations Let us first recall what you have studied so far. Consider the following equation: 2x + 5 = 0 Its solution, i.e., the root of the equation, is −&
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Solution of a Linear Equation You have seen that every linear equation in one variable has a unique solution. What can you say about the solution of a linear equation involving two variables? As t
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