91=-7(1-2x)

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Solution for 91=-7(1-2x) equation: 



91=-7(1-2x)

We move all terms to the left:

91-(-7(1-2x))=0

We add all the numbers together, and all the variables

-(-7(-2x+1))+91=0



We calculate terms in parentheses: -(-7(-2x+1)), so:

-7(-2x+1)

We multiply parentheses

14x-7

Back to the equation:

-(14x-7)



We get rid of parentheses

-14x+7+91=0

We add all the numbers together, and all the variables

-14x+98=0

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

-14x=-98

x=-98/-14

x=+7

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