Solve the System $\begin{array} { l } x - y + z = 0 \\x + y + z = - 4 \\x + y - z = - 6\end{array}$

question 173

Multiple Choice

Solve the system.
$\begin{array} { l } x - y + z = 0 \\x + y + z = - 4 \\x + y - z = - 6\end{array}$

• A) \(\{ ( 1 , - 3 , - 2 ) \}\)
• B) \(\{ ( - 3,1 , - 2 ) \}\)
• C) \(\{ ( - 3 , - 2,1 ) \}\)
• D) \(\phi\)

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