-4(-1+n)=-4(-5n-7)

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Solution for -4(-1+n)=-4(-5n-7) equation: 



-4(-1+n)=-4(-5n-7)

We move all terms to the left:

-4(-1+n)-(-4(-5n-7))=0

We add all the numbers together, and all the variables

-4(n-1)-(-4(-5n-7))=0

We multiply parentheses

-4n-(-4(-5n-7))+4=0



We calculate terms in parentheses: -(-4(-5n-7)), so:

-4(-5n-7)

We multiply parentheses

20n+28

Back to the equation:

-(20n+28)



We get rid of parentheses

-4n-20n-28+4=0

We add all the numbers together, and all the variables

-24n-24=0

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

-24n=24

n=24/-24

n=-1

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