Solve the following problem using artificial variables. Maximize z= 3x, + 2x2 subject to the constraints xq +X2 = 70, 4x, + 2x2 2 110, and 5x, +2x2s250, with x, 20, x2 2 0. The maximum is z= when x, = and x2 = (Simplify your answers.)

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