This module was designed and written with you in mind. It is here to help you solve problems involving systems of linear equations in two variables using graphical and algebraic (substitution and elimination) methods. Throughout this module, you will be provided with varied activities to process your knowledge and skills acquired, deepen, and transfer your understanding of the algebraic methods of solving systems of linear equations in two variables. The lessons are arranged to follow the standard sequence of the course. But the order in which you read them can be changed to correspond with the textbook you are now using.

This module contains:

- Lesson 1: Solving Problems Involving Systems of Linear Equation in Two Variables

After going through this module, you are expected to:

1. solve systems of linear equations in two variables by substitution and elimination methods;

2. solve problems involving systems of linear equations in two variables by graphing, substitution and elimination; and

3. determine the most efficient method in solving system of linear equations in two variables.

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