You spend $6.50 on a pair of gloves you now have $7.00 how much money did you have originally

If you have spent $6.50 on a pair of gloves, but now have $7.00 left and are looking for the amount of money you had originally, all you have to do is add both numbers then you'll find your answer. But here, I'll just do it for you, your answer is: $13.50
Hope that was understandable and helped you out!

B. because the 7 represents "seven times", x represents "a number", 12 represents "plus twelve", and -4 represents "minus four"