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

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