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

question 62

Multiple Choice

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

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

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