Equations
One-Step Equations http://www.khanacademy.org/video/simple-equations?playlist=Algebra
Learn and practice basic one-step equations.
Two-Step Equations http://www.khanacademy.org/video/equations-2?playlist=Algebra
Learn and practice two-step equations.
Multi-Step Equations http://www.khanacademy.org/video/equations-3?playlist=Algebra
Learn about multi-step equations.
Linear Equations
http://www.khanacademy.org/video/algebra--linear-equations-4?playlist=Algebra
Learn and practice linear equations.
Inequalities
http://www.khanacademy.org/video/algebra--solving-inequalities?playlist=Algebra
Learn about inqualities.