2n+20=2-n

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



2n+20=2-n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2n+1n-2+20=0

We add all the numbers together, and all the variables

3n+18=0

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

3n=-18

n=-18/3

n=-6

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