-21=6(5n+8)-(1-4n)

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Solution for -21=6(5n+8)-(1-4n) equation: 



-21=6(5n+8)-(1-4n)

We move all terms to the left:

-21-(6(5n+8)-(1-4n))=0

We add all the numbers together, and all the variables

-(6(5n+8)-(-4n+1))-21=0



We calculate terms in parentheses: -(6(5n+8)-(-4n+1)), so:

6(5n+8)-(-4n+1)

We multiply parentheses

30n-(-4n+1)+48

We get rid of parentheses

30n+4n-1+48

We add all the numbers together, and all the variables

34n+47

Back to the equation:

-(34n+47)



We get rid of parentheses

-34n-47-21=0

We add all the numbers together, and all the variables

-34n-68=0

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

-34n=68

n=68/-34

n=-2

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