Me this is worth 10 points and i suck at math : (

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Ответ:

sebastianapolo5

17.12.2020

Mathematics

-7

Step-by-step explanation:

$- 3(n + 4) = 9 \\ \\ - 3n - 12 = 9 \\ \\ - 3n = 12 + 9 \\ \\ - 3n = 21 \\ \\ n = \frac{ - 21}{3} \\ \\ n = - 7$

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