-7=-(w+-3)+-8

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Solution for -7=-(w+-3)+-8 equation: 



-7=-(w+-3)+-8

We move all terms to the left:

-7-(-(w+-3)+-8)=0

We add all the numbers together, and all the variables

-(-(w-3)+-8)-7=0

We use the square of the difference formula

-(-(w-3)-8)-7=0



We calculate terms in parentheses: -(-(w-3)-8), so:

-(w-3)-8

We get rid of parentheses

-w+3-8

We add all the numbers together, and all the variables

-1w-5

Back to the equation:

-(-1w-5)



We get rid of parentheses

1w+5-7=0

We add all the numbers together, and all the variables

w-2=0

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

w=2

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