4: Systems of Linear Equations Last updated Save as PDF Page ID 5144 OpenStax OpenStax 4.1: Introduction 4.2: Solve Systems of Linear Equations with Two Variables 4.2E: Exercises 4.3: Solve Applications with Systems of Equations 4.3E: Exercises 4.4: Solve Mixture Applications with Systems of Equations 4.4E: Exercises 4.5: Solve Systems of Equations with Three Variables 4.5E: Exercises 4.6: Solve Systems of Equations Using Matrices 4.6E: Exercises 4.7: Solve Systems of Equations Using Determinants 4.7E: Exercises 4.8: Graphing Systems of Linear Inequalities 4.8E: Exercises Chapter 4 Review Exercises