Solve the Equation $\frac { x } { 10 } - \frac { 1 } { 5 } = \frac { x + 9 } { 5 }$

Solve the equation.
- $\frac { x } { 10 } - \frac { 1 } { 5 } = \frac { x + 9 } { 5 }$

A) $- 10$
B) $- 19$
C) $- 11$
D) $- 20$