Solve Using the Substitution Method $$\begin{array} { l } x = 1 + - 2 y \\x + 2 y = 8\end{array}$$

Multiple Choice

Solve using the substitution method.
- $$\begin{array} { l } x = 1 + - 2 y \\x + 2 y = 8\end{array}$$

A) Infinitely many solutions
B) $( - 7,15 )$
C) $( - 7 , - 15 )$
D) No solution