subtract any number form nine and then with that answer and the number you subtracted 9 with, those added, make the sum of nine
sum involves addition so the sum of 2 and 9 equals 2+9=11
201+69
28+9=37
-9 and -9 -9+(-9)=-18
The numerical expression for 36 divided by the sum of 9 and 3 is 36 / (9 + 3).
8+y is the sum of 8 and y
The sum of 9 and 5 is 14
The sum of 19 and 9 is 28.
3,5,7,8
The sum of 1 + 8 is 9.
9+a.
the sum is the answer to an addition problem e.g.4+5=9 9 is the sum
135 is the sum
9, 18, 27, ... All numbers whose digital sum is 9. A digital sum is the sum of all the digits of a number. If the sum happens to be greater than 9 then repeat the process of obtaining a digital sum until the result is 9 or smaller.
twenty one (21) is the sum of 12 and 9.
-23 is the sum of -32 and 9
The sum of 8, 11 and 9 is 28.