91=-7(2n-5)

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Solution for 91=-7(2n-5) equation: 



91=-7(2n-5)

We move all terms to the left:

91-(-7(2n-5))=0



We calculate terms in parentheses: -(-7(2n-5)), so:

-7(2n-5)

We multiply parentheses

-14n+35

Back to the equation:

-(-14n+35)



We get rid of parentheses

14n-35+91=0

We add all the numbers together, and all the variables

14n+56=0

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

14n=-56

n=-56/14

n=-4

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