Solve the System of Equations Using the Addition Method $$\begin{aligned}2 x + 8 y & = - 42 \\12 x + 2 y & = 70\end{aligned}$$

Multiple Choice

Solve the system of equations using the addition method.
- $$\begin{aligned}2 x + 8 y & = - 42 \\12 x + 2 y & = 70\end{aligned}$$

A) (-2, 7)
B) (12, -12)
C) (-7, 7)
D) (7, -7)