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$6 x-y+8 z=52$ $6 x+9 y-3 z=57$ $6 x-4 y+z=-1$

Question 9

Multiple Choice

$6 x-y+8 z=52$
$6 x+9 y-3 z=57$
$6 x-4 y+z=-1$

A) $(-3,6,5)$
B) $(-3,6,6)$
C) $(3,5,6)$
D) $(3,6,5)$

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