melindamae melindamae

20-03-2021
Mathematics

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What is the value of n in the equation 3n + 2(n + 2) = 9n + 12?

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xiaoline4ever xiaoline4ever

20-03-2021

Answer: -2

Step-by-step explanation:

3n + 2(n + 2) = 9n + 12

3n + 2n + 4 = 9n + 12

5n + 4 = 9n + 12

-4n + 4 = 12

-4n = 8

n = -2

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