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Mathematics 13 Online
OpenStudy (anonymous):

use dual simplex method to find Maximize z=-2x1-7x2-6x3-5x4 subject to :2x1-3x2-5x3-4x4>=20 7x1+2x2 +6x3-2x4<=35 4x1+5x2-3x3-2x4>=15

OpenStudy (anonymous):

@inkyvoyd , or @Directrix I have no idea how to approach this and it seems that she needs much help with it. So please help if you're able to.

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