18n-2=20n-20

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Solution for 18n-2=20n-20 equation: 



18n-2=20n-20

We move all terms to the left:

18n-2-(20n-20)=0

We get rid of parentheses

18n-20n+20-2=0

We add all the numbers together, and all the variables

-2n+18=0

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

-2n=-18

n=-18/-2

n=+9

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