54 I believe if this is what I think it is the end of the world as we see it the most hardest math riddle to have ever existed 61-47 = 14
47+7=54 54+7= 61 therefore the world as we know shall come to a end at 2:08 PM Central time
296/21 is the answer hope this helps
(X+X)=x+9 what this mean is that when you get the answer you have to add it by nine
