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-10-3.5n-5=-15+6.5n
We move all terms to the left:
-10-3.5n-5-(-15+6.5n)=0
We add all the numbers together, and all the variables
-3.5n-(6.5n-15)-10-5=0
We add all the numbers together, and all the variables
-3.5n-(6.5n-15)-15=0
We get rid of parentheses
-3.5n-6.5n+15-15=0
We add all the numbers together, and all the variables
-10n=0
n=0/-10
n=0
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