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

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How do you explain why vectors QR and RQ are not equivalent?

Explain when the elimination method for solving a system of equations is preferable to the substitution method.

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A vector is defined as a physical quantity which has magnitude and direction. While QR and RQ are equal in magnitude, as the lengths of the vector lines ...

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Directions of Vectors and Substitution an Elimination Methods for Solving Linear Systems of Equations are investigated.

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