Chapter I : Linear Equations in two variables in two variables

Example 7. Solve the following system of equation:

Solution:-

Multiplying equation (1) by 4 and (2) by 3 and then adding we get

Putting x = 3 in (i) we get

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Subjects Maths (Part-1) by Mr. M. P. Keshari
Chapter 1 Linear Equations in Two Variables
Chapter 2 HCF and LCM
Chapter 3 Rational Expression
Chapter 4 Quadratic Equations
Chapter 5 Arithmetic Progressions
Chapter 6 Instalments
Chapter 7 Income Tax
Chapter 8 Similar Triangles