-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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