Question: Suppose that a mathematical model fits linear programming except for the restrictions that 1. At least one of the following two inequalities holds: 2. At

Suppose that a mathematical model fits linear programming except for the restrictions that
1. At least one of the following two inequalities holds:
3x, - x2 - Xạ + x4 s 12 X + X2 + X3 + X4 s 15.

2. At least two of the following three inequalities holds:

Suppose that a mathematical model fits linear programming except for

Show how to reformulate these restrictions to fit an MIP model.

3x, - x2 - X + x4 s 12 X + X2 + X3 + X4 s 15.

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