matydatt matydatt

08-04-2020
Mathematics

contestada

How could you use the Commutative Property of Addition to rewrite the expression −21 + 7?

A) −21(7)
B) 3(−21) + 7
C) 7 + (−21)
D) 3(−7) + 21

Respuesta :

victoriazh2005 victoriazh2005

08-04-2020

final answer :

c - 7+ (-21)

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