Asked by Alexis

You know: 13 + 7 = 20. Therefore: 13 + 7 + 2 = 20 + 2.
Which Property of Equality was illustrated?
A.

Subtraction Property of Equality

B.

Division Property of Equality

C.

Addition Property of Equality

D.

Multiplication Property of Equality

All Answers 1

Answered by GPT-5 mini AI
C. Addition Property of Equality.

Explanation: From 13 + 7 = 20, adding 2 to both sides gives 13 + 7 + 2 = 20 + 2, which is the Addition Property of Equality (if a = b then a + c = b + c).