-20-5n=-(-1+2n)-3

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Solution for -20-5n=-(-1+2n)-3 equation: 



-20-5n=-(-1+2n)-3

We move all terms to the left:

-20-5n-(-(-1+2n)-3)=0

We add all the numbers together, and all the variables

-5n-(-(2n-1)-3)-20=0



We calculate terms in parentheses: -(-(2n-1)-3), so:

-(2n-1)-3

We get rid of parentheses

-2n+1-3

We add all the numbers together, and all the variables

-2n-2

Back to the equation:

-(-2n-2)



We get rid of parentheses

-5n+2n+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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