Respuesta :

Answer: 12+ 3n - 2 = 40

+2 +2

12 + 3n = 42

-12 -12

3n = 30

(Multiply)3 3

n=10

Step-by-step explanation:

LordKeyarga23

Answer:

N = 10

Step-by-step explanation:

  • 12 + 3n - 2 = 40
  • 3n = 40 - 12 + 2
  • 3n = 28 + 2
  • 3n = 30
  • n = 30 ÷ 3
  • n = 10

the value of N is 10

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