Solve
-If Three Times a Number Added to 7 Is $- \frac { 21 } { 2 }$

Multiple Choice

Solve.
-If three times a number added to 7 is divided by the number plus 9, the result is four thirds. Find the number.

A) $- \frac { 21 } { 2 }$
B) $- \frac { 1 } { 9 }$
C) 3
D) $- \frac { 27 } { 5 }$