Simplify Complex Rational Expressions
- $$\begin{array} { r } 9 x + 5 z = 65 \\3 y + 6 z = 27 \\2 x + 8 y + 6 z = 42\end{array}$$

Multiple Choice

Simplify Complex Rational Expressions
- $$\begin{array} { r } 9 x + 5 z = 65 \\3 y + 6 z = 27 \\2 x + 8 y + 6 z = 42\end{array}$$

A)
$\left[ \begin{array} { l l l | l } 9 & 0 & 5 & 65 \\ 0 & 3 & 6 & 27 \\ 2 & 8 & 6 & 42 \end{array} \right]$

B)

$\left[ \begin{array} { l l | l | l } 9 & 0 & 2 & 65 \\ 0 & 3 & 8 & 27 \\ 5 & 6 & 6 & 42 \end{array} \right]$
C)
$\left[\begin{array}{lll|l}9 & 5 & 0 & 65 \\3 & 6 & 0 & 27 \\2 & 8 & 6 & 42\end{array}\right]$
D)
$\left[\begin{array}{lll}9 & 0 & 5 \\0 & 3 & 6 \\2 & 8 & 6\end{array}\right]$