Respuesta :

The answer is D. If you substitute those values for n, you should be able to find that 4 makes the expression equal to 6.
choixongdong
3n-(2 + n) 
= 3n - 2 - n
= 2n - 2

if this 2n - 2 equal to 6 then

2n - 2 = 6
2n = 8
  n = 4

answer
D.4

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