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Mathematics, 02.02.2021 19:30 adelarangelmartinez

PLEASEE HELP ME WITH THISS consider the system of equations below:
x + y - z = 6
2x – 3y + 2z = -19
-x + 4y – z = 17
which number is not the value of any variable in the solution of the system?
a) -1
b) 2
c) 3
d) -4

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PLEASEE HELP ME WITH THISS consider the system of equations below:
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