Question: ( 2 0 pts ) Use the dual simplex method manually to solve the following Minimize , Z = 7 x 1 + 2 x

(20 pts) Use the dual simplex method manually to solve the following
Minimize ,Z=7x1+2x2+5x3+4x4,
subject to
2x1+4x2+7x3+x45
8x1+4x2+6x3+4x48
3x1+8x2+x3+4x44
and
xj0, for j=1,2,3,4.
(20 pts) Use the dual simplex method manually to solve the

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