Solve the Equation and Express the Solution in Exact Form $\log 3 x = \log 2 + \log ( x + 4 )$

Multiple Choice

Solve the equation and express the solution in exact form.
- $\log 3 x = \log 2 + \log ( x + 4 )$

A) $\{ 8 \}$
B) $\left\{ \frac { 8 } { 5 } \right\}$
C) $\{ 3 \}$
D) $\{ 4 \}$