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He equation, a + (b + 7) = (b + 7) + a, is an example of which property? A. distributive property B. associative property of addition C. commutative property of addition D. associative property of mul
He equation, a + (b + 7) = (b + 7) + a, is an example of which property?
A. distributive property
B. associative property of addition
C. commutative property of addition
D. associative property of multiplication