4=-4w+2(w-7)

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Solution for 4=-4w+2(w-7) equation: 



4=-4w+2(w-7)

We move all terms to the left:

4-(-4w+2(w-7))=0



We calculate terms in parentheses: -(-4w+2(w-7)), so:

-4w+2(w-7)

We multiply parentheses

-4w+2w-14

We add all the numbers together, and all the variables

-2w-14

Back to the equation:

-(-2w-14)



We get rid of parentheses

2w+14+4=0

We add all the numbers together, and all the variables

2w+18=0

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

2w=-18

w=-18/2

w=-9

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