140=-7(2x-8)

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Solution for 140=-7(2x-8) equation: 



140=-7(2x-8)

We move all terms to the left:

140-(-7(2x-8))=0



We calculate terms in parentheses: -(-7(2x-8)), so:

-7(2x-8)

We multiply parentheses

-14x+56

Back to the equation:

-(-14x+56)



We get rid of parentheses

14x-56+140=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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