-18n-19=19-20n

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Solution for -18n-19=19-20n equation: 



-18n-19=19-20n

We move all terms to the left:

-18n-19-(19-20n)=0

We add all the numbers together, and all the variables

-18n-(-20n+19)-19=0

We get rid of parentheses

-18n+20n-19-19=0

We add all the numbers together, and all the variables

2n-38=0

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

2n=38

n=38/2

n=19

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