Determine the solution set for the system represented by the augmented matrix.
-$\left[ \begin{array} { r r r | r } 1 & 0 & - 4 & 7 \ 0 & 1 & 8 & - 7 \ 0 & 0 & 0 & 0 \end{array} \right]$
A) $\{ ( 7 - 4 z , - 7 + 8 z , z ) \mid z$ is any real number $\}$
B){ }
C) $\{ ( 7 , - 7,0 ) \}$
D) $\{ ( 7 + 4 z , - 7 - 8 z , z ) \mid z$ is any real number $\}$

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The Answer of Determine the solution set for the system represented by the augmented matrix.
-$\left[ \begin{array} { r r r | r } 1 & 0 & - 4 & 7 \ 0 & 1 & 8 & - 7 \ 0 & 0 & 0 & 0 \end{array} \right]$
A) $\{ ( 7 - 4 z , - 7 + 8 z , z ) \mid z$ is any real number $\}$
B){ }
C) $\{ ( 7 , - 7,0 ) \}$
D) $\{ ( 7 + 4 z , - 7 - 8 z , z ) \mid z$ is any real number $\}$

Determine the Solution Set for the System Represented by the Augmented