Respuesta :

Answer:

3n + 6 = 18

3n = 12

n = 4

Step-by-step explanation:

18 - 6 = 12

12/3 = 4

PLZ GIVE ME BRIANLIEST!!!

Answer:

3 x X + 6 = 18

3x + 6 = 18

-6          -6

3x = 12

divide by 3 on both sides.

X = 4

Brainliest appreciated.

I consider x as "a number" so you would put a variable.

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