On Wednesday , William wrote a check in the amount of $45.60 . This brought his balance down to -$15.75. Suppose n represents williams balance before he wrote the check .
which equation can be used to represent this situation ?
a) n + 15.75= -45.60
b) n - 15.75= 45.60
c) n + 45.60= -15.75
d) n - 45.60= - 15.75