18-18n+4=-18-20n

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Solution for 18-18n+4=-18-20n equation: 



18-18n+4=-18-20n

We move all terms to the left:

18-18n+4-(-18-20n)=0

We add all the numbers together, and all the variables

-18n-(-20n-18)+18+4=0

We add all the numbers together, and all the variables

-18n-(-20n-18)+22=0

We get rid of parentheses

-18n+20n+18+22=0

We add all the numbers together, and all the variables

2n+40=0

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

2n=-40

n=-40/2

n=-20

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