Problem 2 Use the big-M method to solve the following linear program: z=-3x₁ + x2 + x3 x₁-2x₂ + x3 ≤ 11, - 4x₁ + x₂ + 2x3 ≥ 3, - 2x₁ + x3 = 1, ۲۱. ۲۰.۲۰ >0 min s.t.

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A: See the attachment

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