-7(-3x-1)=91

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



-7(-3x-1)=91

We move all terms to the left:

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

We multiply 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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