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Math Help - order of systems of equations and upper triangular matrix

  1. #1
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    order of systems of equations and upper triangular matrix

    Hi, if you have the linear equations:

    2x + 0y + 3z = 4
    4x - 2y + z = 0
    3x + y + 2 = 2

    How do I cancel out x and y in order to find the upper triangular matrix?

    I have only done examples where the 1st x is 1 so not sure what to do here. I tried eliminating z first but ended with the wrong answers.
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    false alarm just realized what it is
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