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Name the property used in: (5 + 2) + n = 7 + n

A. Additive Identity
B. Multiplicative Identity
C. Rflexive Property
D. Substitution Property

1 Answer

5 votes
additive indentity

(5 + 2) + n
n = 1
a variable is always a number itself remember 7+n
5+2 = 7
User Dan Homola
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