This morning, Elena wrote a check in the amount of $42.50. This brought her balance down to –$14.25. Suppose n represents Elena's balance before she wrote the check. 
 
Which equation can be used to represent this situation?



 
A.
n – 14.25 = 42.50


 
B.
n + 42.50 = –14.25


 
C.
n – 42.50 = –14.25


 
D.
n – 14.25 = –42.50