Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Solving Systems by Elimination 3

9th - 10th
The video example explores systems of equations. Students watch an example on how to find and graph the solutions to a system using the elimination method. [4:57]
Instructional Video
Khan Academy

Khan Academy: Solving Systems With Elimination: Solving Systems by Elimination

9th - 10th
The video example explores systems of equations. Students watch an example on how to find and graph the solutions to a system using the elimination method.
Instructional Video
Khan Academy

Khan Academy: Matrices: Reduced Row Echelon Form 2

9th - 10th Standards
This video shows an example of solving a system of linear equations by putting an augmented matrix into reduced row echelon form.
Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Solving Systems by Elimination 2

9th - 10th
The video example explores systems of equations. Students watch an example on how to find the solutions to a system using the elimination method. [3:45]
Instructional Video
Khan Academy

Khan Academy: Solving Systems With Elimination: Solving Systems by Elimination

9th - 10th
This video demonstrates how to solve a system of linear equations by eliminating a variable.
Instructional Video
Khan Academy

Khan Academy: Solving Systems by Elimination: Reduced Row Echelon Form 1

9th - 10th Standards
Video shows how to use matrices and reduced row echelon form to simplify a system of 3 equations in 4 variables.
Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Solving Systems by Elimination

9th - 10th Standards
The video example explores how to solve word problems using systems of equations. Students watch an example on how to create and find the solutions to a system using the elimination method. [5:51]
Instructional Video
Khan Academy

Khan Academy: Solving Systems With Elimination: Solving Systems by Elimination

9th - 10th
This video demonstrates how to set up and solve a system of equations by elimination in order to solve a word problem.