81=9(w+5)

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Solution for 81=9(w+5) equation: 



81=9(w+5)

We move all terms to the left:

81-(9(w+5))=0



We calculate terms in parentheses: -(9(w+5)), so:

9(w+5)

We multiply parentheses

9w+45

Back to the equation:

-(9w+45)



We get rid of parentheses

-9w-45+81=0

We add all the numbers together, and all the variables

-9w+36=0

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

-9w=-36

w=-36/-9

w=+4

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