Solving Systems of Equations by Elimination

Systems of two equations in x and y can be solved by adding the equations to create a new equation with one variable eliminated. This new equation can then be solved to find the value of the remaining variable. That value is then substituted into either equation to find the value of other variable.
Resource ID#: 122061 Type: Tutorial
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Direct Link: http://whyu.net/media/download/Algebra%2037%20-%20Solving%20Systems%20of%20Equations%20by%20Elimination%20-%20small.mp4

General Information

Subject(s): Mathematics
Grade Level(s): 9, 10, 11, 12
Intended Audience: Educators educators, Students
Suggested Technology: Computer for Presenter, Computers for Students, Internet Connection, Interactive Whiteboard, LCD Projector, Speakers/Headphones
Instructional Time: 11 Minute(s)
Keywords: linear equations;, elimination method;, slope;, systems of linear equations
Instructional Component Type(s): Tutorial,  Video/Audio/Animation, 
Resource Collection: Secondary Math specific existing tutorials

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