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-3n=2n-5n
We move all terms to the left:
-3n-(2n-5n)=0
We add all the numbers together, and all the variables
-3n-(-3n)=0
We get rid of parentheses
-3n+3n=0
We add all the numbers together, and all the variables
=0
n=0/1
n=0
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