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# NCERT Solutions for Mathematics Linear Equations in Two Variables

## NCERT Solutions for Mathematics Linear Equations in Two Variables

NCERT 9th class Mathematics book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 9 Mathematics chapter wise NCERT solution for Maths textbook for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

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## NCERT Solutions Chapter 04: Linear equation in two variables

In earlier classes, you have studied linear equations in one variable. Can you write down a linear equation in one variable? You may say that x+1=0, x+{tex}\sqrt 2 {/tex}=0 and {tex}\sqrt 2 y + \sqrt 3 - 0{/tex} are examples of linear equations in one variable. You also know that such equations have a unique (i.e., one and only one) solution. You may also remember how to represent the solution on a number line. In this chapter, the knowledge of linear equations in one variable shall be recalled and extended to that of two variables. You will be considered questions like: Does a linear equation in two variables have a solution? If yes, is it unique? What does the solution look like on the Cartesian plane? You shall also use the concepts you studied in Chapter 3 to answer these questions.

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