Which of the following equations illustrate identity property of addition?

**Choices:
**

A. *xy* = *yx*

B. *x* + 0 = *x*

C. (*x* + *y*) + *z* = *x* + (*y* + *z*)

D. *x* + 1 = 1 + *x*

Correct Answer: B

**Step 1:** According to identity property of addition, the sum of a number and 0 is the number itself.

**Step 2:** Among the choices, the equation *x* + 0 = *x* illustrates identity property of addition.