Solve the System of Equations $$\left\{ \begin{array} { l } x - y + z = 8 \\x + y + z = 6 \\x + y - z = - 12\end{array} \right.$$

question 115

Multiple Choice

Solve the system of equations.
- $$\left\{ \begin{array} { l } x - y + z = 8 \\x + y + z = 6 \\x + y - z = - 12\end{array} \right.$$

• A) \(x = 2 , y = - 1 , z = - 9\)
• B) \(x = - 2 , y = - 1 , z = - 9\)
• C) \(x = - 2 , y = - 1 , z = 9\)
• D) \(x = 2 , y = - 1 , z = 9\)

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