20=2.5n

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Solution for 20=2.5n equation: 



20=2.5n

We move all terms to the left:

20-(2.5n)=0

We add all the numbers together, and all the variables

-(+2.5n)+20=0

We get rid of parentheses

-2.5n+20=0

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

-2.5n=-20

n=-20/-2.5

n=+8

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