Solve the System of Equations by the Substitution Method $\left\{ \begin{aligned}y & = 2 x - 4 \\2 y - 8 x & = - 12\end{aligned} \right.$

Multiple Choice

Solve the system of equations by the substitution method.
- $\left\{ \begin{aligned}y & = 2 x - 4 \\2 y - 8 x & = - 12\end{aligned} \right.$

A) $( - 2,1 )$
B) no solution
C) infinite number of solutions
D) $( 1 , - 2 )$