Variable c is 9 more than variable w. Variable c is also 3 less than variable w. Which pair of equations best models the relationship between c and w?
Ac = w − 9
c = 4w + 3
Bc = w + 9
c = w − 3
Cw = c + 9
w = c − 3
Dw = c − 9
w = 4c + 3
Ac = w − 9
Bc = w + 9
Cw = c + 9
Dw = c − 9