Question

Which of the following is an example of the additive identity?

a +(-a) = 0
a+0=0
a+0= a

Answer 1

a+0= a

Explanation:

we know that

The additive identity property says that if you add a real number to zero or add zero to a real number, then you get the same real number back

so

Let

a -----> a real number

a+0=0+a=a

therefore

a+0= a