Solve the Equation $$| 6 x + 8 | + 6 = 15$$

Multiple Choice

Solve the equation.
- $$| 6 x + 8 | + 6 = 15$$

A) $\left\{ \frac { 1 } { 6 } , - \frac { 17 } { 6 } \right\}$
B) $\varnothing$
C) $\left\{ - \frac { 1 } { 6 } , \frac { 17 } { 6 } \right\}$
D) $\left\{ \frac { 1 } { 8 } , - \frac { 17 } { 8 } \right\}$