Khan Academy
Khan Academy: Solving Systems by Substitution
This video demonstrates how to solve a system of linear equations by substitution.
Khan Academy
Khan Academy: Solving Systems With Substitution: The Substitution Method
This video demonstrates how to solve a given system of equations by using substitution.
Khan Academy
Khan Academy: Solving Systems With Substitution: Substitution Method 3
This video demonstrates how to solve a word problem by setting up and solving a system of equations using the substitution method.
Khan Academy
Khan Academy: Solving Systems With Substitution: Solving Systems by Substitution
This video demonstrates how to solve a system of linear equations by substitution.