For this case, the first thing you should know is the meaning of identity property of the addition. We have then that by definition: Identity property of the addition: The zero is called the identity element of the sum. The order in which you add the two numbers does not change the result. We have then that the expression is: 7x + 0 = 7x Answer: A statement that illustrates the identity property of addition: 7x + 0 = 7x
