Solve the System of Equations by the Substitution Method $\left\{ \begin{array} { l } - 3 x - 12 y = 9 \\2 x + 8 y = 0\end{array} \right.$

Multiple Choice

Solve the system of equations by the substitution method.
- $\left\{ \begin{array} { l } - 3 x - 12 y = 9 \\2 x + 8 y = 0\end{array} \right.$

A) $( 0,9 )$
B) infinite number of solutions
C) $( 9,0 )$
D) no solution