-21-n=4(7n+2)

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Solution for -21-n=4(7n+2) equation: 



-21-n=4(7n+2)

We move all terms to the left:

-21-n-(4(7n+2))=0

We add all the numbers together, and all the variables

-1n-(4(7n+2))-21=0



We calculate terms in parentheses: -(4(7n+2)), so:

4(7n+2)

We multiply parentheses

28n+8

Back to the equation:

-(28n+8)



We get rid of parentheses

-1n-28n-8-21=0

We add all the numbers together, and all the variables

-29n-29=0

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

-29n=29

n=29/-29

n=-1

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