Mathematics

Mathematics, 04.10.2019 22:00, Bigbabybrudis

Of the four expressions presented here, which two are equivalent?

expression i: 3n + 7 + n + 4n
expression ii: 7n + 7
expression iii: 15n
expression iv: 8n + 7

i and ii
ii and iii
iii and iv
i and iv

answer

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Of the four expressions presented here, which two are equivalent?

expression i: 3n + 7...

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