Solve the System of Equations Using Substitution $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 169 \\x + y = 17\end{array} \right.$$

Multiple Choice

Solve the system of equations using substitution.
- $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 169 \\x + y = 17\end{array} \right.$$

A) $x = 12 , y = 5 ; x = 5 , y = 12$
B) $x = 12 , y = - 5 ; x = 5 , y = - 12$
C) $x = - 12 , y = 5 ; x = - 5 , y = 12$
D) $x = - 12 , y = - 5 ; x = - 5 , y = - 12$