Solve the System of Equations Using the Addition Method $$\begin{array} { l } x + y = - 2 \\2 x + 2 y + 4 z = 16 \\x - z = - 9\end{array}$$

question 27

Multiple Choice

Solve the system of equations using the addition method.
- $$\begin{array} { l } x + y = - 2 \\2 x + 2 y + 4 z = 16 \\x - z = - 9\end{array}$$

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

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