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

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



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

We move all terms to the left:

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



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

-7w+4(w-7)

We multiply parentheses

-7w+4w-28

We add all the numbers together, and all the variables

-3w-28

Back to the equation:

-(-3w-28)



We get rid of parentheses

3w+28-1=0

We add all the numbers together, and all the variables

3w+27=0

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

3w=-27

w=-27/3

w=-9

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