Solve the system of linear equations using matrices.
-$$\left\{ \begin{aligned}
3 x - 9 y + 4 z & = - 32 \
- 9 x + 27 y - 12 z & = 96 \
9 x - 27 y + 12 z & = - 96
\end{aligned} \right.$$
A) $\{ ( x , y , z ) \mid 9 x - 27 y + 12 z = - 32 \}$
B) $( - 1,1 , - 5 )$
C) $\{ ( x , y , z ) \mid 3 x - 9 y + 4 z = - 32 \}$
D) $\varnothing$

Question

Quizplus · Accepted Answer

The Answer of Solve the system of linear equations using matrices.
-$$\left\{ \begin{aligned}
3 x - 9 y + 4 z & = - 32 \
- 9 x + 27 y - 12 z & = 96 \
9 x - 27 y + 12 z & = - 96
\end{aligned} \right.$$
A) $\{ ( x , y , z ) \mid 9 x - 27 y + 12 z = - 32 \}$
B) $( - 1,1 , - 5 )$
C) $\{ ( x , y , z ) \mid 3 x - 9 y + 4 z = - 32 \}$
D) $\varnothing$