Answer :
Well if there is no number I front of a variable it is a one. For example 12c-c: 12c-1c so just take the numbers and then subtract th m and bring the c down next to the answer. 12-1:11 so 12c-1c:11c
Answer: The answer is as explained below and further simplified by the attachment.
Step-by-step explanation:
12c-c is the same as writing 12c-1c
Therefore you can put it as 12c-1c which will give you 11c.
I hope I have answered your question.
