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-3n-8n=-3n-7n-5n
We move all terms to the left:
-3n-8n-(-3n-7n-5n)=0
We add all the numbers together, and all the variables
-3n-8n-(-15n)=0
We add all the numbers together, and all the variables
-11n-(-15n)=0
We get rid of parentheses
-11n+15n=0
We add all the numbers together, and all the variables
4n=0
n=0/4
n=0
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