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Q: What is the sum of 9 and -9?

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The sum of 9 and 5 is 14

The sum of 19 and 9 is 28.

8+y is the sum of 8 and y

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9.

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.

the sum of 1 plus 9 is 10 because 1+9

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.

That the sum of its digits add up to 9 as for example 9*9 = 81 and 8+1 = 9

sum involves addition so the sum of 2 and 9 equals 2+9=11

135 is the sum

(-9)+9=0

4 and 5 have the sum of 9 and the product of 20.

The final sum is 9

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4 + 5 = 9 4 and 5 are two numbers with the sum of 9 and have a difference of 5

sum of a quantity means simply that you add things up. For example the sum of 2,3 and 4 is 9 and the opposite is -9

The homophone is Sum. Sum is also known in math. Here is an example: 4+5=9. 9 is the sum of 4 and 5.

It is: -2+9 = 7

The sum of 32 is 9.

The sum of 1 + 8 is 9.

0+9=9

It is: 9+0 = 9