9(w-9)=-7+7(w-8)

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Solution for 9(w-9)=-7+7(w-8) equation: 



9(w-9)=-7+7(w-8)

We move all terms to the left:

9(w-9)-(-7+7(w-8))=0

We multiply parentheses

9w-(-7+7(w-8))-81=0



We calculate terms in parentheses: -(-7+7(w-8)), so:

-7+7(w-8)

determiningTheFunctionDomain
7(w-8)-7

We multiply parentheses

7w-56-7

We add all the numbers together, and all the variables

7w-63

Back to the equation:

-(7w-63)



We get rid of parentheses

9w-7w+63-81=0

We add all the numbers together, and all the variables

2w-18=0

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

2w=18

w=18/2

w=9

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