Solve the following problem using artificial variables. Maximize z= 3x, + 2x, subject to the constraints x, + x2 = 80, 4x, + 2x, 2 120, and 5x, + 2x, s 300, with x, 20, X2 2 0. The maximum is z= when x, = and x2 = (Simplify your answers.)

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