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Solving Systems with Three Equations
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In this video, I show how to solve systems with three equations. I go over the case where there is one, infinite and no solutions to a system with three equations. For all the examples covered in this video, we are solving for solutions (x, y, z).
For the case involving infinite solutions, I show how to define a parameter t, and express the solutions (x, y, z) in terms of the parameter t.
0:00 - 0:55 - Intro and Concept of System with Three Equations
0:56 - 5:27 - Question 1 - One Solution
5:28 - 11:15 - Question 2 - One Solution - Trickier Algebra
11:16 - 14:02 - Question 3 - No Solutions
14:03 - 19:16 - Question 4 - Infinite Solutions - Precalculus Level
For the case involving infinite solutions, I show how to define a parameter t, and express the solutions (x, y, z) in terms of the parameter t.
0:00 - 0:55 - Intro and Concept of System with Three Equations
0:56 - 5:27 - Question 1 - One Solution
5:28 - 11:15 - Question 2 - One Solution - Trickier Algebra
11:16 - 14:02 - Question 3 - No Solutions
14:03 - 19:16 - Question 4 - Infinite Solutions - Precalculus Level
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