# Introduction to Systems of Linear Equations: Two Variables

### Learning Objectives

By the end of this section, you will be able to:- Solve systems of equations by graphing.
- Solve systems of equations by substitution.
- Solve systems of equations by addition.
- Identify inconsistent systems of equations containing two variables.
- Express the solution of a system of dependent equations containing two variables.

**Figure 1.**(credit: Thomas Sørenes)

## Licenses & Attributions

### CC licensed content, Specific attribution

- Precalculus.
**Provided by:**OpenStax**Authored by:**OpenStax College.**Located at:**https://cnx.org/contents/[email protected]:1/Preface.**License:**CC BY: Attribution.