0 is the identity element for addition in the real number system.
If a is any real number, then the identity property is a + 0 = 0 + a = a.
In words the result of 0 added to any number is the number itself.
0 is the identity element for addition in the real number system.
If a is any real number, then the identity property is a + 0 = 0 + a = a.
In words the result of 0 added to any number is the number itself.
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