Solve the Problem $\frac { x + 7 } { x }$

Solve the problem.
-Two angles are said to be supplementary if their sum is 180°. If one angle measures. If one angle measures $\frac { x + 7 } { x }$ degrees, find th degrees, find the measure of its supplement.

A) $\left( \frac { 179 x - 7 } { x } \right) ^ { \circ }$
B) $\left( \frac { 179 x + 7 } { x } \right) ^ { \circ }$
C) $\left( \frac { 180 x + 7 } { x } \right) ^ { \circ }$
D) $\left( \frac { 180 x - 7 } { x } \right) ^ { \circ }$