Use the Given Row Transformation to Change the Matrix as Indicated

Use the given row transformation to change the matrix as indicated.
- $\left[ \begin{array} { r r r } 6 & 5 & 18 \\ 5 & - 2 & 7 \\ 1 & 2 & 3 \end{array} \right] ; - 6$ times row 3 added to row 1

A)
$\left[ \begin{array} { r r r } 6 & 5 & 18 \\ - 1 & - 14 & - 11 \\ - 6 & - 12 & - 18 \end{array} \right]$
B)
$\left[ \begin{array} { r r r } 7 & 7 & 0 \\ 5 & - 2 & 7 \\ 1 & 2 & 3 \end{array} \right]$
C)
$\left[\begin{array}{rrr}0 & -7 & 0 \\5 & -2 & 7 \\1 & 2 & 3\end{array}\right]$
D)
$\left[\begin{array}{rrr}6 & 5 & 1 \\5 & -2 & 7 \\-6 & -12 & -18\end{array}\right]$