Answer :
Answer: A. 9
Explanation: When you have something like "x+(-y)", with the same amount of plus and minus symbols, it cancels out into "x-y"
So this can be rearranged as 15-6, or 9, which is our answer.
Answer: A. 9
Explanation: When you have something like "x+(-y)", with the same amount of plus and minus symbols, it cancels out into "x-y"
So this can be rearranged as 15-6, or 9, which is our answer.