-18=-7w+5(w-4)

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Solution for -18=-7w+5(w-4) equation: 



-18=-7w+5(w-4)

We move all terms to the left:

-18-(-7w+5(w-4))=0



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

-7w+5(w-4)

We multiply parentheses

-7w+5w-20

We add all the numbers together, and all the variables

-2w-20

Back to the equation:

-(-2w-20)



We get rid of parentheses

2w+20-18=0

We add all the numbers together, and all the variables

2w+2=0

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

2w=-2

w=-2/2

w=-1

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