-2n+1.8=3.0

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Solution for -2n+1.8=3.0 equation: 



-2n+1.8=3.0

We move all terms to the left:

-2n+1.8-(3.0)=0

We add all the numbers together, and all the variables

-2n+1.8-3=0

We add all the numbers together, and all the variables

-2n-1.2=0

We move all terms containing n to the left, all other terms to the right

-2n=1.2

n=1.2/-2

n=-1/1.6666666666667

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