91=-7(3x-1)

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Solution for 91=-7(3x-1) equation: 



91=-7(3x-1)

We move all terms to the left:

91-(-7(3x-1))=0



We calculate terms in parentheses: -(-7(3x-1)), so:

-7(3x-1)

We multiply parentheses

-21x+7

Back to the equation:

-(-21x+7)



We get rid of parentheses

21x-7+91=0

We add all the numbers together, and all the variables

21x+84=0

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

21x=-84

x=-84/21

x=-4

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