91=7(-4n+5)

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Solution for 91=7(-4n+5) equation: 



91=7(-4n+5)

We move all terms to the left:

91-(7(-4n+5))=0



We calculate terms in parentheses: -(7(-4n+5)), so:

7(-4n+5)

We multiply parentheses

-28n+35

Back to the equation:

-(-28n+35)



We get rid of parentheses

28n-35+91=0

We add all the numbers together, and all the variables

28n+56=0

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

28n=-56

n=-56/28

n=-2

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