Solve by Using the Substitution Method $$\begin{array} { l } 2 x - y = - 20 \\y = - 2 x\end{array}$$

Solve by using the substitution method. $$\begin{array} { l } 2 x - y = - 20 \\y = - 2 x\end{array}$$

A) (-5, 10)
B) (-3, 6)
C) (-8, 16)
D) No solution; { }; inconsistent system