If this means "what is x when 8x = 9x?" then there is no answer in this Universe.
If you want common multiples of 8 & 9 then 72 and all its multiples.
(8 & 9 are examples of xy and yx.)
2
8 times 9= 72
Yes.
Use Number sense Write 2 numbers that cannot be divided evenly by 8 or 9.
It is 7 number. 35/7= 5 and 63/7= 9
2519
72
80
60 6*9+6=60 7*8+4=60
Yes. For example, if you multiply 9 x 8, you get a number that, when divided by 9, gives 8.
360
360