Solve the System by Substitution $4 x+4 y=28$ $4 x-2 y=16$

Multiple Choice

Solve the system by substitution. If the system is inconsistent or has dependent equations, say so.
- $4 x+4 y=28$
$4 x-2 y=16$

A) $\{(2,5) \}$
B) $\{(5,2) \}$
C) $\{(4,0) \}$
D) $\varnothing$ ; inconsistent system