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 Submit
1 answer:
Answer:
C
Step-by-step explanation:
The commutative property of addition reorganizes parts of an equation without changing the answer. C includes the same numbers (-21, +7) without changing the answer (-14)
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