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olganol [36]
3 years ago
5

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

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
5 0

Answer:

-27+84n

Step-by-step explanation:

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

First, Distribute the -2 and -9

18-6n-9+90n

Next, combine like terms (18n and 90n) (-4 and -9)

leaving you with -27 + 84n

GuDViN [60]3 years ago
4 0

Answer:

-27+84n

Step-by-step explanation:

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