Answer:
n=-8
Explanation:
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
n = -8
Hopes this helps.
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