Solve a System of Linear Equations in Three Variables Using $$\begin{array} { r } 4 x + 3 y - z = 19 \\x - 5 y + 2 z = - 6 \\2 x + y + z = 19\end{array}$$

Multiple Choice

Solve a System of Linear Equations in Three Variables Using Cramer's Rule
- $$\begin{array} { r } 4 x + 3 y - z = 19 \\x - 5 y + 2 z = - 6 \\2 x + y + z = 19\end{array}$$

A) $\{ ( 3,5,8 ) \}$
B) $\{ ( 5,8,5 ) \}$
C) $\{ ( 3 , - 5 , - 8 ) \}$
D) $\{ ( 4,3,8 ) \}$