3n - 5 = -8 
n = -1 because if you…
move the constant to the right-hand side and change its sign —>
3n = -8 + 5 
calculate -8 + 5 which would be —>
-3
equation now —>
3n = -3 
divide both sides —> 
3n/3 = 1 
-3/3 = -1 
final answer —> 
n = -1
Have a great day! hope this helps!