Respuesta :

22 + n - 7 = 8n - 3n + n
22-7=8n-3n
15=5n
n=3

hope this helps!
yaboiis2kool4skool
n = 3 because
Combine 22 and 7, and all the numbers in the other side, and you get
15+n=6n
And subtract n from both sides
And you get 15=5n
Divide both sides by 5
And you get 3=n