DrDelMath

Intermediate Algebra 4th Edition

Chapter 4: Systems of Equations

Systems: Equations: Definitions

Equivalent Systems of Equations

METHODS FOR GENERATING EQUIVALENT SYSTEMS

Section 4.1: Solving Systems of Equations in Two Variables

Systems: Equations: Two Variables

A pretty good collection of examples which illustrate both the substitution and elimination method are provided in the Exercises for this section.

Section 4.2: Solving Systems of Equations in Three Variables

A collection of examples which illustrate the use of elementary row operations are provided in the Exercises for this section.

Section 4.3: Systems of Linear Equations and Problem Solving

BONUS: Here are some examples and illustrations of the process for solving systems of linear inequalities. Click HERE