Solve the System of Equations by the Addition Method $\left\{ \begin{array} { l } - 3 x - 7 y = - 1 \\- 7 x - 4 y = 10\end{array} \right.$

question 1

Multiple Choice

Solve the system of equations by the addition method.
- $\left\{ \begin{array} { l } - 3 x - 7 y = - 1 \\- 7 x - 4 y = 10\end{array} \right.$

• A) \(( 2,1 )\)
• B) \(( 2 , - 1 )\)
• C) \(( - 2 , - 1 )\)
• D) \(( - 2,1 )\)