Determine Which One of the Ordered Triples Below Is a Solution

Multiple Choice

Determine which one of the ordered triples below is a solution of the given system of equations.
$$\left\{ \begin{array} { l } 8 x + 6 y - 4 z = 74 \\x - 5 y + 8 z = - 102 \\5 x - 3 y + 2 z = - 46\end{array} \right.$$

A) $( 4,7,0 )$
B) $( - 1,9 , - 7 )$
C) $( 9,7,1 )$
D) $( 4,7 , - 7 )$
E) $( - 7,9 , - 1 )$