Elimination to Solve a System of Two Equations

Here's a video that demonstrates the elimination method of solving linear systems with two examples. One example is set up and ready for elimination and the other requires multiplying one equation.

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CCSS: Adaptable
Instructional Ideas

  • Post the video as a homework resource or during review
  • Have pupils write out the steps they would use to solve a system using elimination
Classroom Considerations

  • Learners should be comfortable with solving simple equations and substitution
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros

  • Explains and illustrates each step of solving a system using elimination
Cons

  • Instructor speaks quickly which may make it difficult for some to follow
  • Does not show an example that requires multiplying both equations
Common Core