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September 20, 2014

Homework Help: Math-System of Equations

Posted by Lilly on Thursday, November 3, 2011 at 12:04am.

1. Solve for x, y, z in the following system:

2x-3y-2=z
y-x+z=1
-y-2z=7

The answers are: x=-7 y=-5 and z=-1 however I don't know how to go about this.

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