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?

A. c = w - 9

c = 4w + 3

B. c = w + 9

c = w - 3

C. w = c + 9

w = c - 3

D. w = c - 9

w = 4c + 3

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