2+20n=18n-7+3n

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Solution for 2+20n=18n-7+3n equation: 



2+20n=18n-7+3n

We move all terms to the left:

2+20n-(18n-7+3n)=0

We add all the numbers together, and all the variables

20n-(21n-7)+2=0

We get rid of parentheses

20n-21n+7+2=0

We add all the numbers together, and all the variables

-1n+9=0

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

-n=-9

n=-9/-1

n=+9

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