Solve the System of Equations by the Substitution Method $\left\{ \begin{array} { r } x + y = - 2 \\y = - 2 x\end{array} \right.$

Multiple Choice

Solve the system of equations by the substitution method.
- $\left\{ \begin{array} { r } x + y = - 2 \\y = - 2 x\end{array} \right.$

A) $( - 4,2 )$
B) infinite number of solutions
C) no solution
D) $( 2 , - 4 )$