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Mathematics, 08.04.2020 18:34 pooh969owys2a
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
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How could you use the Commutative Property of Addition to rewrite the expression −21 + 7?
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