jhjhkjhkjhkjhkjhkjhkjhjhkjhhjhhh

Do you see one or more variables?

Yes:

Step 1: cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Step 2: -2x does not combine with anything.-2x does not combine with anything.

Step 3: -15 does not combine with anything.-2x does not combine with anything.

Step 4: ccccccccccccccccccccccccccccccccccccccccccccccc

Step 5: Already in the correct order in Step 4.-2x does not combine with anything.

No: