Solve the System of Equations Using the Addition Method $$\begin{array} { l } 5 x + 6 y = - 7 \\- 5 x - 13 y = 21\end{array}$$

Multiple Choice

Solve the system of equations using the addition method.
- $$\begin{array} { l } 5 x + 6 y = - 7 \\- 5 x - 13 y = 21\end{array}$$

A) (5, 2)
B) (1, -2)
C) (-1, 2)
D) (-5, -2)