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-n+0.4n=-0.6n
We move all terms to the left:
-n+0.4n-(-0.6n)=0
We add all the numbers together, and all the variables
-0.6n-(-0.6n)=0
We get rid of parentheses
-0.6n+0.6n=0
We add all the numbers together, and all the variables
=0
n=0/1
n=0
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