343=-7(8w-9)

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Solution for 343=-7(8w-9) equation: 



343=-7(8w-9)

We move all terms to the left:

343-(-7(8w-9))=0



We calculate terms in parentheses: -(-7(8w-9)), so:

-7(8w-9)

We multiply parentheses

-56w+63

Back to the equation:

-(-56w+63)



We get rid of parentheses

56w-63+343=0

We add all the numbers together, and all the variables

56w+280=0

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

56w=-280

w=-280/56

w=-5

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