-9w+1=-7(w-1)

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Solution for -9w+1=-7(w-1) equation: 



-9w+1=-7(w-1)

We move all terms to the left:

-9w+1-(-7(w-1))=0



We calculate terms in parentheses: -(-7(w-1)), so:

-7(w-1)

We multiply parentheses

-7w+7

Back to the equation:

-(-7w+7)



We get rid of parentheses

-9w+7w-7+1=0

We add all the numbers together, and all the variables

-2w-6=0

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

-2w=6

w=6/-2

w=-3

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