9
8 4
8 and 9
They are 10 and 1
They are 1 and 9.
9
There are millions of combinations of numbers with a difference of 9. 9 and 0, 10 and 1, 11 and 2, 12 and 3, and so on. The difference is the answer that you get when you subtract two numbers, so any numbers that subtract to an answer of 9 will work.
8
8 4
8 and 9
They are 10 and 1
They are 1 and 9.
The two numbers are 9 and 8
9 and 8 because if you add them you get 17 and if you subtract them you get 1
Two numbers with a sum of 4 and a difference of 9 are -6.5 and 2.5.
4 + 5 = 9 4 and 5 are two numbers with the sum of 9 and have a difference of 5
-9 and +9