Solve the System of Equations by the Addition Method $\left\{ \begin{array} { r } 4 x + 6 y = 76 \\- 2 x - 6 y = - 86\end{array} \right.$

Multiple Choice

Solve the system of equations by the addition method.
- $\left\{ \begin{array} { r } 4 x + 6 y = 76 \\- 2 x - 6 y = - 86\end{array} \right.$

A) infinite number of solutions
B) $( 4 , - 16 )$
C) $( 6 , - 16 )$
D) $( - 5,16 )$