Solve the System of Two Equations in Two Variables $x+y=-6$ $x-y=19$

Multiple Choice

Solve the system of two equations in two variables.
- $x+y=-6$
$x-y=19$

A) $\left(6,-\frac{25}{2}\right)$
B) $\left(\frac{13}{2}, \frac{25}{2}\right)$
C) $\left(\frac{13}{2},-\frac{25}{2}\right)$
D) $\left(6, \frac{13}{2}\right)$