Question: Using the techniques for artificial variables, find a solution with non- negative coordinates to the given system of equations. Minimize x1 + x2 - X4

Using the techniques for artificial variables,

Using the techniques for artificial variables, find a solution with non- negative coordinates to the given system of equations.

Minimize x1 + x2 - X4 subject to 4x1 + x2 + x3 + 4x4 x] - 3x2 + x3 + 2x4 X1,42,43,44 20 8 16

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