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Math Help - Did I do this right? (augmented matrix / matrix of coefficients)

  1. #1
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    Did I do this right? (augmented matrix / matrix of coefficients)



    Do I have the correct augmented matrix and matrix coefficients? Am I allowed to just bring the -x3 accross like that to make it positive, and bring the 4 over to take its place to make it -4?
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  2. #2
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    Re: Did I do this right? (augmented matrix / matrix of coefficients)

    Yes, that is completely correct.
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