SOLUTION: 19a-3(n+3)=9 whats n??

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Question 62174: 19a-3(n+3)=9 whats n??
Answer by tutorcecilia(2152) About Me  (Show Source):
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19a-3(n+3)=9 solve for n
19a-3n-9=9
19a-3n-9+9=9+9
19a-3n-19a=18-19a
-3n=18-19a
-3n/-3=18-19a/-3
n=(-18+9a)/3