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Determine Which One of the Ordered Triples Below Is a Solution

Question 20

Multiple Choice

Determine which one of the ordered triples below is a solution of the given system of equations.
{7x−9y+6z=19x+2y−3z=373x−4y+5z=7\left\{ \begin{array} { l } 7 x - 9 y + 6 z = 1 \\9 x + 2 y - 3 z = 37 \\3 x - 4 y + 5 z = 7\end{array} \right.


A) (−8,−1,8) ( - 8 , - 1,8 )
B) (4,5,3) ( 4,5,3 )
C) (5,−3,−4) ( 5 , - 3 , - 4 )
D) (−8,−1,3) ( - 8 , - 1,3 )
E) (3,5,4) ( 3,5,4 )

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