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Solve the System of Linear Equations Using Matrices {3x9y+4z=329x+27y12z=969x27y+12z=96\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.

Question 103

Multiple Choice

Solve the system of linear equations using matrices.
- {3x9y+4z=329x+27y12z=969x27y+12z=96\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) 9x27y+12z=32}\{ ( x , y , z ) \mid 9 x - 27 y + 12 z = - 32 \}
B) (1,1,5) ( - 1,1 , - 5 )
C) {(x,y,z) 3x9y+4z=32}\{ ( x , y , z ) \mid 3 x - 9 y + 4 z = - 32 \}
D) \varnothing

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