Solve the Equation $e ^ { 6 x - 1 } = \left( e ^ { 4 } \right) ^ { - x }$

Multiple Choice

Solve the equation.
- $e ^ { 6 x - 1 } = \left( e ^ { 4 } \right) ^ { - x }$

A) $\{ 0 \}$
B) $\left\{ \frac { 5 } { 7 } \right\}$
C) $\left\{ \frac { 1 } { 10 } \right\}$
D) $\left\{ \frac { 1 } { 2 } \right\}$