The Reduced Row Echelon Form of the Augmented Matrix of a System

Multiple Choice

The reduced row echelon form of the augmented matrix of a system of equations is given. Find the solutions of thesystem.
- $\left[\begin{array}{rrrr|r}1 & 0 & 0 & 0 & -2 \\ 0 & 1 & 0 & 0 & 19 \\ 0 & 0 & 1 & 0 & 6 \\ 0 & 0 & 0 & 1 & 2 \\ 0 & 0 & 0 & 0 & 0\end{array}\right]$

A) $(-2,19,6,2, w)$ for any real number $\mathrm{w}$
B) $(-2,19,6,2)$
C) $(-2,19,6,2,0)$
D) No solution