Answer:
n=3/5
Explanation:
3n−3+10+2n=10 
Step 1: Simplify both sides of the equation. 
3n−3+10+2n=10 
3n+−3+10+2n=10 
(3n+2n)+(−3+10)=10(Combine Like Terms) 
5n+7=10 
5n+7=10 
Step 2: Subtract 7 from both sides. 
5n+7−7=10−7 
5n=3 
Step 3: Divide both sides by 5. 
5n /5
 = 3 /5 
n= 3 /5