-243=-7w-4(9+4w)

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Solution for -243=-7w-4(9+4w) equation: 



-243=-7w-4(9+4w)

We move all terms to the left:

-243-(-7w-4(9+4w))=0

We add all the numbers together, and all the variables

-(-7w-4(4w+9))-243=0



We calculate terms in parentheses: -(-7w-4(4w+9)), so:

-7w-4(4w+9)

We multiply parentheses

-7w-16w-36

We add all the numbers together, and all the variables

-23w-36

Back to the equation:

-(-23w-36)



We get rid of parentheses

23w+36-243=0

We add all the numbers together, and all the variables

23w-207=0

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

23w=207

w=207/23

w=9

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