-19=-7x-3(-x-3)

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Solution for -19=-7x-3(-x-3) equation: 



-19=-7x-3(-x-3)

We move all terms to the left:

-19-(-7x-3(-x-3))=0

We add all the numbers together, and all the variables

-(-7x-3(-1x-3))-19=0



We calculate terms in parentheses: -(-7x-3(-1x-3)), so:

-7x-3(-1x-3)

We multiply parentheses

-7x+3x+9

We add all the numbers together, and all the variables

-4x+9

Back to the equation:

-(-4x+9)



We get rid of parentheses

4x-9-19=0

We add all the numbers together, and all the variables

4x-28=0

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

4x=28

x=28/4

x=7

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