Solve the System by Substitution $$\begin{aligned}x + 4 y & = 6 \\3 x - 5 y & = - 16\end{aligned}$$

Multiple Choice

Solve the system by substitution.
- $$\begin{aligned}x + 4 y & = 6 \\3 x - 5 y & = - 16\end{aligned}$$

A) $\{ ( 2,1 ) \}$
B) $\{ ( 6,0 ) \}$
C) $\{ ( 10 , - 1 ) \}$
D) $\{ ( - 2,2 ) \}$