Solve the Equation $\frac { 9 w } { 4 } + 1 = \frac { 7 w } { 10 } + 3$

Multiple Choice

Solve the equation.
- $\frac { 9 w } { 4 } + 1 = \frac { 7 w } { 10 } + 3$

A) $\{ 40 \}$
B) $\left\{ \frac { 40 } { 31 } \right\}$
C) $\left\{ \frac { 1 } { 13 } \right\}$
D) $\left\{ - \frac { 40 } { 31 } \right\}$