86=-2(-1+7x)

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Solution for 86=-2(-1+7x) equation: 



86=-2(-1+7x)

We move all terms to the left:

86-(-2(-1+7x))=0

We add all the numbers together, and all the variables

-(-2(7x-1))+86=0



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

-2(7x-1)

We multiply parentheses

-14x+2

Back to the equation:

-(-14x+2)



We get rid of parentheses

14x-2+86=0

We add all the numbers together, and all the variables

14x+84=0

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

14x=-84

x=-84/14

x=-6

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