-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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