Solve the System by Using the Gauss-Jordan Method $$\begin{aligned}x + 5 y & = - 3 \\- 3 x - 15 y & = 9\end{aligned}$$

Multiple Choice

Solve the system by using the Gauss-Jordan method.
$$\begin{aligned}x + 5 y & = - 3 \\- 3 x - 15 y & = 9\end{aligned}$$

A) $( - 13,2 )$
B) $( - 3,0 )$
C) $( - 8,1 )$
D) Infinitely many solutions; $\left\{ ( x , y ) \mid y = \frac { 1 } { 5 } x - \frac { 3 } { 5 } \right\}$ ; dependent system