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minimize F=5x1 - 3x2 - 8x3    subject to (2x1 + 5x2 - x3 ≤1) (-2x1...

minimize F=5x1 - 3x2 - 8x3   

subject to (2x1 + 5x2 - x3 ≤1)

(-2x1 - 12x2 + 3x3 ≤9)

(-3x1 - 8x2 + 2x3 ≤4)

x1,x2,x3≥0 solve implex method pls.

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