9(w-9)-2w=-7w+7(w-8)

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Solution for 9(w-9)-2w=-7w+7(w-8) equation: 



9(w-9)-2w=-7w+7(w-8)

We move all terms to the left:

9(w-9)-2w-(-7w+7(w-8))=0

We add all the numbers together, and all the variables

-2w+9(w-9)-(-7w+7(w-8))=0

We multiply parentheses

-2w+9w-(-7w+7(w-8))-81=0



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

-7w+7(w-8)

We multiply parentheses

-7w+7w-56

We add all the numbers together, and all the variables

-56

Back to the equation:

-(-56)



We add all the numbers together, and all the variables

7w-25=0

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

7w=25

w=25/7

w=3+4/7

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