2 years ago

HELP ME PLS RN AAHHHHHHH

Mathematics

1 answer:

____ [38]2 years ago

6 0

Answer:

C. 9

Step-by-step explanation:

3n - 18 = 9

3n (- 18 + 18) = 9 + 18

3n = 27

3n/3 = 27/3

n = 9

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