Solve the System by the Substitution Method or the Addition $\left\{ \begin{array} { l } 3 x + y = 5 \\4 x + 3 y = 0\end{array} \right.$

Multiple Choice

Solve the system by the substitution method or the addition method.
- $\left\{ \begin{array} { l } 3 x + y = 5 \\4 x + 3 y = 0\end{array} \right.$

A) $( 4,3 )$
B) $( 9 , - 5 )$
C) $( 12,3 )$
D) $( 3 , - 4 )$