Answer:
n = -8
Step-by-step explanation:
Hopes this helps.
n=-8
1. Distribute
-3(n+3)=15
-3n-9=15
2. Add 9 to both sides
-3n-9+9=15+9
3.SImplify
-3n=24
4.Divide
-3n/-3=24/-3
5.SImplify
n= -8
