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12.4=n/3.4+2
We move all terms to the left:
12.4-(n/3.4+2)=0
We get rid of parentheses
-n/3.4-2+12.4=0
We multiply all the terms by the denominator
-n-2*3.4+(12.4)*3.4=0
We add all the numbers together, and all the variables
-1n+35.36=0
We move all terms containing n to the left, all other terms to the right
-n=-35.36
n=-35.36/-1
n=35+0.36/1
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