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19.11.2020 •
Mathematics
Which expressions is equivalent to (d+9)+4 by the associative property of addition
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Ответ:
dont use its a terrible source
Step-by-step explanation:
Ответ:
We can remove the parentheses:
7a + 9 + 4a - 7
Now simplify!
7a + 4a + 9 - 7
11a + 2