-19+7n=20n+20

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Solution for -19+7n=20n+20 equation: 



-19+7n=20n+20

We move all terms to the left:

-19+7n-(20n+20)=0

We get rid of parentheses

7n-20n-20-19=0

We add all the numbers together, and all the variables

-13n-39=0

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

-13n=39

n=39/-13

n=-3

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