Solve for the indicated letter

Question

c=9d, for d

I am not sure I understand this question can someone help

Answer 1

You need to solve for d.

C = 9d
C/9 = d

Answer 2

but you don't have C so how do you solve for D?

Answer 3

You don't have enough information to get a numerical value for C or d.

Answer 4

I know that is why the question confuses me so the answer is c/9=d?

Answer 5

Yes. c/9 = d

I believe this exercise is to help you see how to solve this type of equation, even without actual numbers.