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-2n+50=8n+15
We move all terms to the left:
-2n+50-(8n+15)=0
We get rid of parentheses
-2n-8n-15+50=0
We add all the numbers together, and all the variables
-10n+35=0
We move all terms containing n to the left, all other terms to the right
-10n=-35
n=-35/-10
n=3+1/2
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