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Solve
- xy+z=8x+y+z=6x+yz=12\begin{array} { l } x - y + z = 8 \\x + y + z = 6 \\x + y - z = - 12\end{array}

Question 61

Multiple Choice

Solve.
- xy+z=8x+y+z=6x+yz=12\begin{array} { l } x - y + z = 8 \\x + y + z = 6 \\x + y - z = - 12\end{array}


A) (2,1,9) ( 2 , - 1 , - 9 )
B) (2,1,9) ( - 2 , - 1 , - 9 )
C) (2,1,9) ( 2 , - 1,9 )
D) (2,1,9) ( - 2 , - 1,9 )

Correct Answer:

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