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    Gaussian Elimination and Back Substitution

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    X + 2y + z = 0
    -3x + 3y + 2z = -7
    4x - 2y - 3z = 2

    © BrainMass Inc. brainmass.com November 24, 2022, 11:58 am ad1c9bdddf

    Solution Preview

    The system is
    x+2y+z=0 (1)
    -3x+3y+2z=-7 (2)
    4x-2y-3z=2 (3)
    By the Gaussian Elimination, we have the followings.

    Step1: (2)+3*(1) and we get
    x+2y+z=0 ...

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