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4=2-5n+2
We move all terms to the left:
4-(2-5n+2)=0
We add all the numbers together, and all the variables
-(-5n+4)+4=0
We get rid of parentheses
5n-4+4=0
We add all the numbers together, and all the variables
5n=0
n=0/5
n=0
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