Respuesta :

Krystal3375

Step-by-step explanation:

given

3n + 2 + 5 = 4

3n + 7 = 4

3n = 4 - 7

3n = - 3

n = - 3 / 3

n = -1

Hope it will help :)❤
n dose equal -1 , it’s correct, have a nice day:)

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