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How do you solve a three-by-three system of equations with three different variables? Can you use substitution? Graphing? Elimination? Is there a specific method you have to use or can you just eliminate whatever? This video will answer all of these questions for you and give you two detailed walkthroughs of 3 variable problems.

Here's the links to the videos on using elimination and substitution to solve 2-variable systems of equations:
How to Solve Systems of Equations by Elimination:    • How to Solve Systems of Equations by Elimi...  
How to Solve Systems of Equations by Substitution:    • How to Solve Systems of Equations by Subst...  

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