3=-7w+2(w+4)

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Solution for 3=-7w+2(w+4) equation: 



3=-7w+2(w+4)

We move all terms to the left:

3-(-7w+2(w+4))=0



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

-7w+2(w+4)

We multiply parentheses

-7w+2w+8

We add all the numbers together, and all the variables

-5w+8

Back to the equation:

-(-5w+8)



We get rid of parentheses

5w-8+3=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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