Algebra
Systems of equations and inequalities

Solving systems with substitution

  1. Example 1: Solving systems by substitution
  2. Example 2: Solving systems by substitution
  3. Example 3: Solving systems by substitution
  4. The Substitution Method
  5. Substitution Method 2
  6. Substitution Method 3
  7. Practice using substitution for systems
  8. Systems of equations with substitution

Practice using substitution for systems Example doing Khan Academy systems of equations exercise at: http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/e/systems_of_equations_with_substitution

Back

Practice using substitution for systems

⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles.

Discuss the site

For general discussions about Khan Academy, visit our Reddit discussion page.


Flag inappropriate posts

Here are posts to avoid making. If you do encounter them, flag them for attention from our Guardians.

abuse
  • disrespectful or offensive
  • an advertisement
not helpful
  • low quality
  • not about the video topic
  • soliciting votes or seeking badges
  • a homework question
  • a duplicate answer
  • repeatedly making the same post
wrong category
  • a tip or feedback in Questions
  • a question in Tips & Feedback
  • an answer that should be its own question
about the site