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May 26, 2015

Homework Help: Math (Alg 2)

Posted by True on Sunday, July 22, 2012 at 4:54pm.

The following expression represents the value of which variable in the solution of the system of equations below?
|2 -1 1|
|1 2 6|
|3 -1 2|
___________
|2 -1 -2|
|1 2 3|
|3 -1 -1|

2X-Y+Z=-2
X+2Y+6Z=3
3X-Y+2Z=-1

A. Z
B. Y
C. X
D. NONE OF THE VARIABLES ARE REPRESENTED

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