-18=7(w-3)-4w

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Solution for -18=7(w-3)-4w equation: 



-18=7(w-3)-4w

We move all terms to the left:

-18-(7(w-3)-4w)=0



We calculate terms in parentheses: -(7(w-3)-4w), so:

7(w-3)-4w

We add all the numbers together, and all the variables

-4w+7(w-3)

We multiply parentheses

-4w+7w-21

We add all the numbers together, and all the variables

3w-21

Back to the equation:

-(3w-21)



We get rid of parentheses

-3w+21-18=0

We add all the numbers together, and all the variables

-3w+3=0

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

-3w=-3

w=-3/-3

w=1

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