This module covers key concepts of linear equations in two variables. It focuses on the illustrating systems of linear equations in two variables. In this module, the students will describe mathematical expressions and mathematical equations. The lesson is 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- Illustrating Systems of Linear Equations in Two Variables.

Objectives: After going through this module, you are expected to:

1. define a system of linear equations in two variables;

2. identify the three types of system of linear equations in two variables; and

3. represent real-life situations using systems of linear equations in two variables.

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