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Which equation shows the identity property of addition?\newlineChoices:\newline(A) r=0+rr = 0 + r\newline(B) r=s+t+ur = s + t + u\newline(C) r+(s+t)=(r+s)+tr + (s + t) = (r + s) + t\newline(D) s+r=r+ss + r = r + s

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Full solution

Q. Which equation shows the identity property of addition?\newlineChoices:\newline(A) r=0+rr = 0 + r\newline(B) r=s+t+ur = s + t + u\newline(C) r+(s+t)=(r+s)+tr + (s + t) = (r + s) + t\newline(D) s+r=r+ss + r = r + s
  1. Understand Identity Property: Understand the identity property of addition. The identity property of addition states that any number plus zero is the number itself. The general form of this property is a+0=aa + 0 = a.
  2. Examine Answer Choices: Examine each answer choice to see which one represents the identity property of addition.\newline(A) r=0+rr = 0 + r\newline(B) r=s+t+ur = s + t + u\newline(C) r+(s+t)=(r+s)+tr + (s + t) = (r + s) + t\newline(D) s+r=r+ss + r = r + s\newlineWe are looking for an equation that shows a number plus zero equals the number itself.
  3. Identify Correct Choice: Identify the correct answer choice. Choice (A) r=0+rr = 0 + r clearly shows the identity property of addition, as it states that a number rr plus zero equals the number rr itself.

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