-20+n=-2n+20+20

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



-20+n=-2n+20+20

We move all terms to the left:

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

We add all the numbers together, and all the variables

n-(-2n+40)-20=0

We get rid of parentheses

n+2n-40-20=0

We add all the numbers together, and all the variables

3n-60=0

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

3n=60

n=60/3

n=20

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