-5n-7=-4n+4(-2n-7)

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Solution for -5n-7=-4n+4(-2n-7) equation: 



-5n-7=-4n+4(-2n-7)

We move all terms to the left:

-5n-7-(-4n+4(-2n-7))=0



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

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

We multiply parentheses

-4n-8n-28

We add all the numbers together, and all the variables

-12n-28

Back to the equation:

-(-12n-28)



We get rid of parentheses

-5n+12n+28-7=0

We add all the numbers together, and all the variables

7n+21=0

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

7n=-21

n=-21/7

n=-3

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