3=n/20-2

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Solution for 3=n/20-2 equation: 



3=n/20-2

We move all terms to the left:

3-(n/20-2)=0

We get rid of parentheses

-n/20+2+3=0

We multiply all the terms by the denominator


-n+2*20+3*20=0

We add all the numbers together, and all the variables

-1n+100=0

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

-n=-100

n=-100/-1

n=+100

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