Khan Academy: Solving by Elimination
Review the fundamental concepts for manipulating one equation in one unknown: Fundamental Concepts of Algebra
Apply and extend those concepts for solving a system of two equations in two unknowns using elimination: Fundamental Concepts for Solving a System
Exercise and problem solving: 10 FMP Unit 7 Skill 5
Exercise and problem solving solutions: Unit 7 Skill 5 Solutions
Solve the following systems using elimination