Solve the System Using Matrices $$\begin{array} { l } x + y + z = - 4 \\x - y + 4 z = 19 \\2 x + 2 y + 2 z = - 9\end{array}$$

question 12

Multiple Choice

Solve the system using matrices.
- $$\begin{array} { l } x + y + z = - 4 \\x - y + 4 z = 19 \\2 x + 2 y + 2 z = - 9\end{array}$$

• A)(5, -4, -5)
• B)(5, -5, -4)
• C)dependent system
• D)inconsistent system

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