Existence of additive identity

Property 4 (Existence of addition identity): There is integer 0such that for any integer am we have a+0=a=0+a The integer 0 is called the additive identity.

Existence of additive inverse

What is the value of additive identity of integers divided by multiplicative identity of integers?

Property 5 (Existence of additive inverse): For every integer a there exists its opposite -a such that Integers a and -a are called opposites or negative or additive inverse of each other.

Which integer is its own additive identity?

…………… is called the additive identity.

What is the additive identity of -6?

The whole number 0 (zero) is called the additive identity or the identity element for addition of whole numbers.