Solve the Equation $$\frac { 3 a - 3 } { 6 } + \frac { 6 a - 6 } { 6 } + \frac { 4 a + 12 } { 8 } = 10$$

Solve the equation. $$\frac { 3 a - 3 } { 6 } + \frac { 6 a - 6 } { 6 } + \frac { 4 a + 12 } { 8 } = 10$$

A) a = 10
B) a = -5
C) a = 2
D) a = 5
E) a = 8