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Solve the System of Linear Equations {x+5y+5z=92x+z=62x+4y3z=2\left\{ \begin{aligned}x + 5 y + 5 z & = 9 \\- 2 x + z & = - 6 \\2 x + 4 y - 3 z & = - 2\end{aligned} \right.

Question 90

Multiple Choice

Solve the system of linear equations.
{x+5y+5z=92x+z=62x+4y3z=2\left\{ \begin{aligned}x + 5 y + 5 z & = 9 \\- 2 x + z & = - 6 \\2 x + 4 y - 3 z & = - 2\end{aligned} \right.


A) (4,0,5) ( - 4,0 , - 5 )
B) (4,1,2) ( 4 , - 1,2 )
C) (1,2,4) ( - 1,2,4 )
D) (0,5,4) ( 0 , - 5 , - 4 )
E) (4,1,1) ( 4 , - 1,1 )

Correct Answer:

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