3w-9=-9(w+9)

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Solution for 3w-9=-9(w+9) equation: 



3w-9=-9(w+9)

We move all terms to the left:

3w-9-(-9(w+9))=0



We calculate terms in parentheses: -(-9(w+9)), so:

-9(w+9)

We multiply parentheses

-9w-81

Back to the equation:

-(-9w-81)



We get rid of parentheses

3w+9w+81-9=0

We add all the numbers together, and all the variables

12w+72=0

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

12w=-72

w=-72/12

w=-6

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