Solve the Logarithmic Equation $$\log _ { 7 } x + \log _ { 7 } 3 = 2$$

Multiple Choice

Solve the logarithmic equation. Give an exact solution.
- $$\log _ { 7 } x + \log _ { 7 } 3 = 2$$

A) $\left\{ \frac { 49 } { 3 } \right\}$
B) $\left\{ \frac { 7 } { 3 } \right\}$
C) $\{ 46 \}$
D) $\left\{ \frac { 7 } { 6 } \right\}$