Respuesta :

Answer:

[tex]n = 9[/tex]

Step-by-step explanation:

Lesson : Finding variables

When trying to find a variable in an equation, you always have to get the variable alone.

n + 22 = 31

22 is with n , so we must get rid of it, subtract 22 from both sides:

n + 22 = 31

  -  22 = -22

n = 9

`Answer:

9

Step-by-step explanation:

if you do 31 - 22 you get 9

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