In this video, Salman Khan of Khan Academy explains systems of equations.
Khan Academy

An instructional walk through of solving Equations using elimination.
Teacher's Choice

Explains, with examples, how to solve a system of equations using the substitution method.
Online Math Learning.com


This video includes sample problems and stepbystep explanations of systems of equations and inequalities for the California Standards Test.
Khan Academy

This video includes sample problems and stepbystep explanations of graphing inequalities and testing assertions for the California Standards Test.
Khan Academy

Some worked example problems that point out many common errors students make when solving them.
Pauls Online Math Notes

Explains, with examples, how to solve a system of equations using the addition (or elimination) method.
Online Math Learning.com

In this Early Edge video lesson, you'll learn more about TwoStep Equations, so you can be successful when you take on highschool Math & Algebra.
The Princeton Review

Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.
Paul's Online Math Notes
