3 years ago

-3(n + 4)= 9 what solution is n

Mathematics

1 answer:

Lelechka [254]3 years ago

6 0

Answer:

-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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