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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-8n-(4(5n+5))-8=0



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

4(5n+5)

We multiply parentheses

20n+20

Back to the equation:

-(20n+20)



We get rid of parentheses

-8n-20n-20-8=0

We add all the numbers together, and all the variables

-28n-28=0

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

-28n=28

n=28/-28

n=-1

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