0
Wiki User
17
-15 + 7 = -8
8
If you mean: 7 plus blank = 15 then it is 7+8 = 15
8 plus 7 is 15. 15 plus 6 is 21. :)
15 -7 = 8
Yes. 5 + 3 + 7 = 15 and 5 + 7 + 3 = 15
-7 + 15 - 8 = 0
-15
7 + 7+1=15
83
15 - 7 + 6 is 14
8+7 = 15