-1=7(w-3)-2w

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Solution for -1=7(w-3)-2w equation: 



-1=7(w-3)-2w

We move all terms to the left:

-1-(7(w-3)-2w)=0



We calculate terms in parentheses: -(7(w-3)-2w), so:

7(w-3)-2w

We add all the numbers together, and all the variables

-2w+7(w-3)

We multiply parentheses

-2w+7w-21

We add all the numbers together, and all the variables

5w-21

Back to the equation:

-(5w-21)



We get rid of parentheses

-5w+21-1=0

We add all the numbers together, and all the variables

-5w+20=0

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

-5w=-20

w=-20/-5

w=+4

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