Question: MAX Z = 2x1 + 8x2 + 4x3 + 9x4 subject to 2x1 + 3x2 + 2x4

MAX Z = 2x1 + 8x2 + 4x3 + 9x4 subject to 2x1 + 3x2 + 2x4 <= 8 2x2 + 5x3 + x4 <= 12 3x1 + x2 + 4x3 + 2x4 <= 15 and x1,x2,x3,x4 >= 0

apply the Primal Simplex Method to recover optimality.

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