Add, and Then Simplify, If Possible $\frac { 5 x } { 2 x + 2 } + \frac { 7 x + 12 } { 2 x + 2 }$

Multiple Choice

Add, and then simplify, if possible. $\frac { 5 x } { 2 x + 2 } + \frac { 7 x + 12 } { 2 x + 2 }$

A) 6
B) 7
C) 3
D) 4 x
E) 6 x