Solve the System of Equations by the Addition Method $\left\{ \begin{array} { l } 4 x - 4 y = 10 \\20 x - 20 y = 40\end{array} \right.$

Multiple Choice

Solve the system of equations by the addition method.
- $\left\{ \begin{array} { l } 4 x - 4 y = 10 \\20 x - 20 y = 40\end{array} \right.$

A) (10, 40)
B) $\left( \frac { 25 } { 12 } , - \frac { 25 } { 12 } \right)$
C) (5, 4)
D) no solution