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    Echelon Method and maximization

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    11) Use the echelon method to solve the system of three equations in three unknowns

    x - y + 4z = 19
    2c + z = 4
    x + 3y + z = -5

    14) Find x1 is greater than or equal to 0 and x 2 is greater than or equal to 0 such that:

    2x1 + 3x2 >/60
    2x1 + 5x2 </ 120

    and z = 5x1 + 4x2 is maximized

    (see attachment for full problem description)

    © BrainMass Inc. brainmass.com June 3, 2020, 7:31 pm ad1c9bdddf
    https://brainmass.com/statistics/probability/echelon-method-and-maximization-102067

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    Solution Summary

    The solution solves two problems. The first uses the echelon method to solve for three unknowns from the system of equations. The second solves for another system of equations with inequality constraints.

    $2.19

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