84=-2(7x-7)

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Solution for 84=-2(7x-7) equation: 



84=-2(7x-7)

We move all terms to the left:

84-(-2(7x-7))=0



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

-2(7x-7)

We multiply parentheses

-14x+14

Back to the equation:

-(-14x+14)



We get rid of parentheses

14x-14+84=0

We add all the numbers together, and all the variables

14x+70=0

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

14x=-70

x=-70/14

x=-5

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