Solve the System Using Matrices $$\begin{array} { l } - 3 x - y - 2 z = - 38 \\9 x + 9 z = 117 \\2 y + z = 16\end{array}$$

question 13

Multiple Choice

Solve the system using matrices.
- $$\begin{array} { l } - 3 x - y - 2 z = - 38 \\9 x + 9 z = 117 \\2 y + z = 16\end{array}$$

• A)(-7, 5, 14)
• B)(7, 6, 5)
• C)(7, 5, 6)
• D)inconsistent

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