Perform the Indicated Operation $$\frac { 5 x + 4 } { 10 } + \frac { 7 x - 4 } { 10 }$$

Multiple Choice

Perform the indicated operation. Simplify if possible.
- $$\frac { 5 x + 4 } { 10 } + \frac { 7 x - 4 } { 10 }$$

A) $- \frac { 6 x } { 5 }$
B) $\frac { 6 x } { 5 }$
C) $\frac { 12 x } { 5 }$
D) $\frac { 35 x } { 5 }$