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    Directions of Vectors and Substitution and Elimination Methods for Solving Linear Systems of Equations

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    1. Explain why vectors QR and RQ are not equivalent.
    2. Explain when the elimination method for solving a system of equations is preferable to the substitution method.
    It is extremely important for you to show your work. This helps me immensely, as I am much better working backwards when it comes to math problems and solutions.

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    https://brainmass.com/math/linear-algebra/89368

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    Directions of Vectors and Substitution and Elimination Methods for Solving Linear Systems of Equations are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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