100=-4x-7(-x-19)

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Solution for 100=-4x-7(-x-19) equation: 



100=-4x-7(-x-19)

We move all terms to the left:

100-(-4x-7(-x-19))=0

We add all the numbers together, and all the variables

-(-4x-7(-1x-19))+100=0



We calculate terms in parentheses: -(-4x-7(-1x-19)), so:

-4x-7(-1x-19)

We multiply parentheses

-4x+7x+133

We add all the numbers together, and all the variables

3x+133

Back to the equation:

-(3x+133)



We get rid of parentheses

-3x-133+100=0

We add all the numbers together, and all the variables

-3x-33=0

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

-3x=33

x=33/-3

x=-11

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