Solve the Equation $3 ( 4 x + 1 ) = 9 - 5 ( 4 x - 3 )$

Multiple Choice

Solve the equation.
- $3 ( 4 x + 1 ) = 9 - 5 ( 4 x - 3 )$

A) $\{ 21 \}$
B) $\left\{ \frac { 9 } { 32 } \right\}$
C) $\left\{ - \frac { 9 } { 32 } \right\}$
D) $\left\{ \frac { 21 } { 32 } \right\}$