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OpenStudy (anonymous):
–(–21 + 8) = 21 + (–8) A. commutative property B. associative property C. opposite of a sum property WILL FAN AND MEDAL BEST ANSWER!!!
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OpenStudy (kaylardz0405):
i think c
OpenStudy (texaschic101):
I think so too ^^
OpenStudy (anonymous):
thx
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