Solve
-The Difference of Triple a Number And \frac $\frac { 1 } { 2 }$

Multiple Choice

Solve.
-The difference of triple a number and $\frac { 1 } { 2 }$ is equal to the sum of the number and $\frac { 2 } { 3 }$ . Find the number.

A) $\frac { 1 } { 12 }$
B) $\frac { 13 } { 12 }$
C) $\frac { 7 } { 12 }$
D) $- \frac { 7 } { 12 }$