-7w+20=-3(w+4)

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Solution for -7w+20=-3(w+4) equation: 



-7w+20=-3(w+4)

We move all terms to the left:

-7w+20-(-3(w+4))=0



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

-3(w+4)

We multiply parentheses

-3w-12

Back to the equation:

-(-3w-12)



We get rid of parentheses

-7w+3w+12+20=0

We add all the numbers together, and all the variables

-4w+32=0

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

-4w=-32

w=-32/-4

w=+8

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