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28-04-2020
Mathematics

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3. Of the three expressions shown, which two
are equivalent?
3+2(9 + 2n) 7(3 + 4n) 21 + 4n

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Аноним Аноним

28-04-2020

Answer:

the answer would be the first and last equation

Step-by-step explanation:

both equations equal 21+4n

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