Solve the System by the Substitution Method $$\begin{array} { l } 2 y - x = 5 \\x ^ { 2 } + y ^ { 2 } - 25 = 0\end{array}$$

Multiple Choice

Solve the system by the substitution method.
- $$\begin{array} { l } 2 y - x = 5 \\x ^ { 2 } + y ^ { 2 } - 25 = 0\end{array}$$

A) $\{ ( - 5,0 ) , ( 3,4 ) \}$
B) $\{ ( 5,0 ) , ( - 5,0 ) , ( 3,4 ) \}$
C) $\left\{ \left( 0 , \frac { 5 } { 2 } , \left( 4 , \frac { 9 } { 2 } \right) \right\} \right.$
D) $\left\{ \left( 0 , \frac { 5 } { 2 } \right) , \left( 0 , - \frac { 5 } { 2 } \right) , \left( 4 , \frac { 9 } { 2 } \right) \right\}$