We will motivate our study of linear algebra by studying solutions to systems of linear equations. While the focus of this chapter is on the practical matter of how to find, and describe, these solutions, we will also be setting ourselves up for more theoretical ideas that will appear later.

Section WILA What is Linear Algebra?
Section SSLE Solving Systems of Linear Equations
Section RREF Reduced Row-Echelon Form
Section TSS Types of Solution Sets
Section HSE Homogeneous Systems of Equations
Section NM Nonsingular Matrices