Solve the Equation or Inequality $\left| \frac { 9 x + 18 } { 2 } \right| = 9$

Multiple Choice

Solve the equation or inequality.
- $\left| \frac { 9 x + 18 } { 2 } \right| = 9$

A) $- 4,0$
B) $\varnothing$
C) 4,0
D) $- 4,4$