Solve the System of Equations by the Addition Method $\left\{ \begin{array} { l } - 6 x - 6 y = - 6 \\12 x + 12 y = 12\end{array} \right.$

Multiple Choice

Solve the system of equations by the addition method.
- $\left\{ \begin{array} { l } - 6 x - 6 y = - 6 \\12 x + 12 y = 12\end{array} \right.$

A) (-6, -6)
B) (0, 0)
C) infinite number of solutions
D) no solution