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-12.85n-57.4=18.95n+15.74
We move all terms to the left:
-12.85n-57.4-(18.95n+15.74)=0
We get rid of parentheses
-12.85n-18.95n-15.74-57.4=0
We add all the numbers together, and all the variables
-31.8n-73.14=0
We move all terms containing n to the left, all other terms to the right
-31.8n=73.14
n=73.14/-31.8
n=-2+6.1948051948052/20.649350649351
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