Question: Solve the following LP problem by using dual-simplex method. Minimize Z = 2X1 + 3X2 + X3 subject to X1 + 2X2 + X3 20

Solve the following LP problem by using dual-simplex method.

Minimize

Z = 2X1 + 3X2 + X3

subject to

X1 + 2X2 + X3 20

X1 + X2 4

X2 + 4X3 10

With

X1; X2; X3 0

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