Solve the System of Equations Using Substitution $$\left\{ \begin{array} { l } x y - x ^ { 2 } = - 20 \\x - 2 y = 3\end{array} \right.$$

Multiple Choice

Solve the system of equations using substitution.
- $$\left\{ \begin{array} { l } x y - x ^ { 2 } = - 20 \\x - 2 y = 3\end{array} \right.$$

A) $x = - 5 , y = - 1 ; x = 8 , y = \frac { 11 } { 2 }$
B) $x = - 5 , y = - 1 ; x = \frac { 11 } { 2 } , y = 8$
C) $x = 5 , y = 1 ; x = - \frac { 11 } { 2 } , y = - 8$
D) $x = 5 , y = 1 ; x = - 8 , y = - \frac { 11 } { 2 }$