-0.4n=4.2

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Solution for -0.4n=4.2 equation: 



-0.4n=4.2

We move all terms to the left:

-0.4n-(4.2)=0

We add all the numbers together, and all the variables

-0.4n-4.2=0

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

-0.4n=4.2

n=4.2/-0.4

n=-10+0.2/0.4

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