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23-08-2021
Mathematics

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-9(1 - 10n) - 2(3n + 9)

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aniilsah555 aniilsah555

23-08-2021

Step-by-step explanation:

-9(1-10n)-2(3n+9)

-9+90n-6n-18

-9-18+90n-6n

-27+84n

3(-9+28n)

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