-144=-9(w+7)

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Solution for -144=-9(w+7) equation: 



-144=-9(w+7)

We move all terms to the left:

-144-(-9(w+7))=0



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

-9(w+7)

We multiply parentheses

-9w-63

Back to the equation:

-(-9w-63)



We get rid of parentheses

9w+63-144=0

We add all the numbers together, and all the variables

9w-81=0

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

9w=81

w=81/9

w=9

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