For this case we have that by definition, the property of the neutral element in the sum of whole numbers establishes that:
[tex]a + 0 = a[/tex]
Where:
a: It is an integer
0: It is the neutral element
Then, if we have:
[tex]n + 0 = 7\\n = 7[/tex]
The equation is not altered
Answer:
The property of the neutral element is mentioned