4.2=n+-1.8

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Solution for 4.2=n+-1.8 equation: 



4.2=n+-1.8

We move all terms to the left:

4.2-(n+-1.8)=0

We add all the numbers together, and all the variables

-(n-1.8)+4.2=0

We get rid of parentheses

-n+1.8+4.2=0

We add all the numbers together, and all the variables

-1n+6=0

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

-n=-6

n=-6/-1

n=+6

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