-64=8(-n-3)+8(1+7n)

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Solution for -64=8(-n-3)+8(1+7n) equation: 



-64=8(-n-3)+8(1+7n)

We move all terms to the left:

-64-(8(-n-3)+8(1+7n))=0

We add all the numbers together, and all the variables

-(8(-1n-3)+8(7n+1))-64=0



We calculate terms in parentheses: -(8(-1n-3)+8(7n+1)), so:

8(-1n-3)+8(7n+1)

We multiply parentheses

-8n+56n-24+8

We add all the numbers together, and all the variables

48n-16

Back to the equation:

-(48n-16)



We get rid of parentheses

-48n+16-64=0

We add all the numbers together, and all the variables

-48n-48=0

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

-48n=48

n=48/-48

n=-1

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