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


A helpful scientific calculator that runs in your web browser window.
Holt Online Learning

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

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

Solving linear system example word problems that give you hints and step by step directions to solve
Hotmath

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