-7=4(w+5)-7w

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Solution for -7=4(w+5)-7w equation: 



-7=4(w+5)-7w

We move all terms to the left:

-7-(4(w+5)-7w)=0



We calculate terms in parentheses: -(4(w+5)-7w), so:

4(w+5)-7w

We add all the numbers together, and all the variables

-7w+4(w+5)

We multiply parentheses

-7w+4w+20

We add all the numbers together, and all the variables

-3w+20

Back to the equation:

-(-3w+20)



We get rid of parentheses

3w-20-7=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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