-91=7(n-7)

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Solution for -91=7(n-7) equation: 



-91=7(n-7)

We move all terms to the left:

-91-(7(n-7))=0



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

7(n-7)

We multiply parentheses

7n-49

Back to the equation:

-(7n-49)



We get rid of parentheses

-7n+49-91=0

We add all the numbers together, and all the variables

-7n-42=0

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

-7n=42

n=42/-7

n=-6

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