84=7(-2x+4)

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Solution for 84=7(-2x+4) equation: 



84=7(-2x+4)

We move all terms to the left:

84-(7(-2x+4))=0



We calculate terms in parentheses: -(7(-2x+4)), so:

7(-2x+4)

We multiply parentheses

-14x+28

Back to the equation:

-(-14x+28)



We get rid of parentheses

14x-28+84=0

We add all the numbers together, and all the variables

14x+56=0

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

14x=-56

x=-56/14

x=-4

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