-81=-7(-8x+4)+3

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Solution for -81=-7(-8x+4)+3 equation: 



-81=-7(-8x+4)+3

We move all terms to the left:

-81-(-7(-8x+4)+3)=0



We calculate terms in parentheses: -(-7(-8x+4)+3), so:

-7(-8x+4)+3

We multiply parentheses

56x-28+3

We add all the numbers together, and all the variables

56x-25

Back to the equation:

-(56x-25)



We get rid of parentheses

-56x+25-81=0

We add all the numbers together, and all the variables

-56x-56=0

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

-56x=56

x=56/-56

x=-1

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