-7=3(w-4)-8w

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Solution for -7=3(w-4)-8w equation: 



-7=3(w-4)-8w

We move all terms to the left:

-7-(3(w-4)-8w)=0



We calculate terms in parentheses: -(3(w-4)-8w), so:

3(w-4)-8w

We add all the numbers together, and all the variables

-8w+3(w-4)

We multiply parentheses

-8w+3w-12

We add all the numbers together, and all the variables

-5w-12

Back to the equation:

-(-5w-12)



We get rid of parentheses

5w+12-7=0

We add all the numbers together, and all the variables

5w+5=0

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

5w=-5

w=-5/5

w=-1

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