Solve the Absolute Value Equation $$| 12 + 2 x | = | x - 6 |$$

Multiple Choice

Solve the absolute value equation. $$| 12 + 2 x | = | x - 6 |$$

A) { }
B) $\{ - 18 , - 2 \}$
C) $\{ - 18 \}$
D) $\{ - 18 , - 6 \}$