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2.9=n-2.1/2
We move all terms to the left:
2.9-(n-2.1/2)=0
We add all the numbers together, and all the variables
-(+n-2.1/2)+2.9=0
We get rid of parentheses
-n+2.9+2.1/2=0
We multiply all the terms by the denominator
-n*2+2.1+(2.9)*2=0
We add all the numbers together, and all the variables
-n*2+7.9=0
Wy multiply elements
-2n+7.9=0
We move all terms containing n to the left, all other terms to the right
-2n=-7.9
n=-7.9/-2
n=3+1/1.0526315789474
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