9(w-9)-2=-7w+7(w-9)

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Solution for 9(w-9)-2=-7w+7(w-9) equation: 



9(w-9)-2=-7w+7(w-9)

We move all terms to the left:

9(w-9)-2-(-7w+7(w-9))=0

We multiply parentheses

9w-(-7w+7(w-9))-81-2=0



We calculate terms in parentheses: -(-7w+7(w-9)), so:

-7w+7(w-9)

We multiply parentheses

-7w+7w-63

We add all the numbers together, and all the variables

-63

Back to the equation:

-(-63)



We add all the numbers together, and all the variables

9w-20=0

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

9w=20

w=20/9

w=2+2/9

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