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Matrix equation

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in Linear Programming by (15 points)
Solve the equation by using any matrix method. 2x+8y+5z=5, x+y+z=2, x+2y-z=2
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1 Answer

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2x+8y+5z=5.
x+y+z=-2.
x+2y-z=2.
The given system of equation is of the form
AX=B.

Now let us find the adj A.
To find adj A,let us find the minors and cofactors of the elements of [A].

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