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Solve the System {x−y+z=−3x+y+z=7x+y−z=−1\left\{ \begin{array} { l } x - y + z = - 3 \\x + y + z = 7 \\x + y - z = - 1\end{array} \right.

Question 62

Multiple Choice

Solve the system.
- {x−y+z=−3x+y+z=7x+y−z=−1\left\{ \begin{array} { l } x - y + z = - 3 \\x + y + z = 7 \\x + y - z = - 1\end{array} \right.


A) (−2,5,4) ( - 2,5,4 )
B) (4,−2,5) ( 4 , - 2,5 )
C) (−2,4,5) ( - 2,4,5 )
D) ∅\varnothing

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