20-n=-19+2n

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Solution for 20-n=-19+2n equation: 



20-n=-19+2n

We move all terms to the left:

20-n-(-19+2n)=0

We add all the numbers together, and all the variables

-n-(2n-19)+20=0

We add all the numbers together, and all the variables

-1n-(2n-19)+20=0

We get rid of parentheses

-1n-2n+19+20=0

We add all the numbers together, and all the variables

-3n+39=0

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

-3n=-39

n=-39/-3

n=+13

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