Solve the System of Equations by Finding the Reduced Row $$\begin{array} { r } w - x + 2 y + z = 1 \\x + y = 5 \\y - z = 4\end{array}$$

Multiple Choice

Solve the system of equations by finding the reduced row echelon form for the augmented matrix.
- $$\begin{array} { r } w - x + 2 y + z = 1 \\x + y = 5 \\y - z = 4\end{array}$$

A) No solution
B) $( - 10,0,5,1 )$
C) $( - 6,1,4 , z )$
D) $( - 6 - 4 z , 1 - z , 4 + z , z )$