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-4n+8=-8n
We move all terms to the left:
-4n+8-(-8n)=0
We get rid of parentheses
-4n+8n+8=0
We add all the numbers together, and all the variables
4n+8=0
We move all terms containing n to the left, all other terms to the right
4n=-8
n=-8/4
n=-2
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