Education Technology

Algebra I: Solving Systems by the Elimination Method

by Texas Instruments


  • Students will identify equivalent equations.
  • Students will solve a system of linear equations in two unknowns by adding equivalent equations to eliminate one variable.


  • equivalent equations
  • system of linear equations
  • solution to a system

About the Lesson

This lesson involves solving a system of linear equations in two variables. The emphasis is on helping students understand how to use equivalent equations and the method of elimination to solve a system. Students can combine elimination and substitution to solve systems more efficiently. Students can determine which method is most appropriate for solving a system.