-n-1=7(1+n)

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



-n-1=7(1+n)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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



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

7(n+1)

We multiply parentheses

7n+7

Back to the equation:

-(7n+7)



We get rid of parentheses

-1n-7n-7-1=0

We add all the numbers together, and all the variables

-8n-8=0

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

-8n=8

n=8/-8

n=-1

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