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 38

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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