Step-by-step explanation:

Answer:
Well the Answer is <u>- x - 13 </u> Hope this helps :)
Step-by-step explanation:
Well it depends if it's a leap year. If it isn't a leap year there are 28 days and if we are in a leap year than there are 29 days in February.
Hope that helped :)
C. Action: Divide both sides by 3.