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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

4(-7n-4)

We multiply parentheses

-28n-16

Back to the equation:

-(-28n-16)



We get rid of parentheses

-5n+28n+16+7=0

We add all the numbers together, and all the variables

23n+23=0

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

23n=-23

n=-23/23

n=-1

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