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-2+3n=2n+2n
We move all terms to the left:
-2+3n-(2n+2n)=0
We add all the numbers together, and all the variables
3n-(+4n)-2=0
We get rid of parentheses
3n-4n-2=0
We add all the numbers together, and all the variables
-1n-2=0
We move all terms containing n to the left, all other terms to the right
-n=2
n=2/-1
n=-2
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