Solve the System Using the Inverse Method $$\left\{ \begin{aligned}x + 3 y & = - 8 \\21 x + 6 y & = 3\end{aligned} \right.$$

Multiple Choice

Solve the system using the inverse method.
- $$\left\{ \begin{aligned}x + 3 y & = - 8 \\21 x + 6 y & = 3\end{aligned} \right.$$

A) $x = - 3 , y = 1$
B) $x = 1 , y = - 3$
C) $x = - 1 , y = 3$
D) $x = 3 , y = - 1$