Education Technology

Algebra 2: Solving Systems using Elimination
by Texas Instruments


  • Students will be able to solve a system of three equations with three unknowns using the elimination method.


  • system of equations
  • elimination method

About the Lesson

This lesson involves solving systems of three equations using the elimination method. As a result, students will:

  • Choose which variable to eliminate.
  • Enter the multiplication factor in order to eliminate a variable.
  • Solve the system by solving the final one-variable equation and then substituting back into prior equations.