Question

finf the sum of the integer 21 and -15​

Answer 1

The sum of the integers is 21-15 is 6

Answer 2

Given: The numbers are$21 \ and\ -15$.

We have to find the sum of the above numbers.

• As we know that adding two or more numbers together is known as an addition.
• Addition as denoted by(+).

Following are the properties of addition:

1. Identity property of zero.
2. Inverse property.
3. Commutative property.
4. Associative property.

We are solving in the following way:

We have,

The numbers are$21 \ and\ -15$.

$=>21+(-15)\\=>21-15\\=>6$

Hence, the solution of the above equation is$6$.