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Math Help - System of equations using Gaussian elimination or Gauss-Jordan elimination method

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    System of equations using Gaussian elimination or Gauss-Jordan elimination method

    I'm suppose to solve the following using the Gaussian elimination or the Gauss-Jordan elimination method:


    x - 2y + z = 8
    y + 2z = -1
    x + y +3z = 1


    However, I always end up not getting the right answer for some reason. Can anyone show me step by step how to do this by Gaussian elimination or the Gauss-Jordan elimination method?
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    Re: System of equations using Gaussian elimination or Gauss-Jordan elimination method

    Quote Originally Posted by FrustratedCollegeKid View Post
    I'm suppose to solve the following using the Gaussian elimination or the Gauss-Jordan elimination method:


    x - 2y + z = 8
    y + 2z = -1
    x + y +3z = 1


    However, I always end up not getting the right answer for some reason. Can anyone show me step by step how to do this by Gaussian elimination or the Gauss-Jordan elimination method?
    Start by subtracting the first equation from the third...
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