Solve the System by the Substitution Method $x ^ { 2 } = y ^ { 2 } + 39$

Multiple Choice

Solve the system by the substitution method.
- $x ^ { 2 } = y ^ { 2 } + 39$ $x - y = 3$

A) $\{ ( 8,5 ) \}$
B) $\{ ( 8 , - 5 ) \}$
C) $\{ ( - 8,5 ) \}$
D) $\{ ( - 8 , - 5 ) \}$