Mathematics, 30.07.2020 21:01, marvinc5603

∵Given: a-4+7a+11. Step one: a+ 7a-4 + 11
Step one uses either: A. Associative Property, B. Communative Property, Or C Distrubve Property.
The answer is 8a+7
please help :)

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∵Given: a-4+7a+11. Step one: a+ 7a-4 + 11
Step one uses either: A. Associative Property, B. C...