-1=-7x+4(x-7)

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Solution for -1=-7x+4(x-7) equation: 



-1=-7x+4(x-7)

We move all terms to the left:

-1-(-7x+4(x-7))=0



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

-7x+4(x-7)

We multiply parentheses

-7x+4x-28

We add all the numbers together, and all the variables

-3x-28

Back to the equation:

-(-3x-28)



We get rid of parentheses

3x+28-1=0

We add all the numbers together, and all the variables

3x+27=0

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

3x=-27

x=-27/3

x=-9

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