-19=3w+7(w-7)

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Solution for -19=3w+7(w-7) equation: 



-19=3w+7(w-7)

We move all terms to the left:

-19-(3w+7(w-7))=0



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

3w+7(w-7)

We multiply parentheses

3w+7w-49

We add all the numbers together, and all the variables

10w-49

Back to the equation:

-(10w-49)



We get rid of parentheses

-10w+49-19=0

We add all the numbers together, and all the variables

-10w+30=0

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

-10w=-30

w=-30/-10

w=+3

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