did you ever get the answer? taking the thing rn help!!
CAC can be changed into CAAC. This is because the first rule says that any letter can change into an A so
CAC=CAA
The last condition says that when you double , you have to double all letters,
Since A has been doubled,C needs to be doubled too.So:
CAA=CAAC
Go to desmos.com and type in these equations
Its blurry cant help sorry