4=4.5n

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Solution for 4=4.5n equation: 



4=4.5n

We move all terms to the left:

4-(4.5n)=0

We add all the numbers together, and all the variables

-(+4.5n)+4=0

We get rid of parentheses

-4.5n+4=0

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

-4.5n=-4

n=-4/-4.5

n=1/1.125

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