Perform the Indicated Operation $$\frac { 2 } { 7 x } + \frac { 7 } { 10 x }$$

Multiple Choice

Perform the indicated operation. Simplify if possible.
- $$\frac { 2 } { 7 x } + \frac { 7 } { 10 x }$$

A) $\frac { 69 } { 140 x }$
B) $\frac { 9 } { 17 x ^ { 2 } }$
C) $\frac { 69 } { 70 x ^ { 2 } }$
D) $\frac { 69 } { 70 x }$