(08.06 LC)

Variable b is 7 more than variable c. Variable b is also 1 less than variable c. Which pair of equations best models the relationship between b and c? (1 point)
a


b = c + 7
b = c − 1
b


b = c − 7
b = c + 1
c


c = b + 7
c = b − 1
d


c = b − 7
c = b − 1