Respuesta :

Willchemistry
( n - 4 ) - 3

remove  parentheses : (a) = a

n - 4 - 3

subtract the numbers :
 
-4 - 3 = -7

n = - 7

hope this helps!.

Exvited
[tex](n-4)-3 \\ \\ n - 4 - 3 \\ \\ n - 7 \\ \\ Answer: \fbox {n - 7} [/tex]