19=30-3(-1-2x)

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Solution for 19=30-3(-1-2x) equation: 



19=30-3(-1-2x)

We move all terms to the left:

19-(30-3(-1-2x))=0

We add all the numbers together, and all the variables

-(30-3(-2x-1))+19=0



We calculate terms in parentheses: -(30-3(-2x-1)), so:

30-3(-2x-1)

determiningTheFunctionDomain
-3(-2x-1)+30

We multiply parentheses

6x+3+30

We add all the numbers together, and all the variables

6x+33

Back to the equation:

-(6x+33)



We get rid of parentheses

-6x-33+19=0

We add all the numbers together, and all the variables

-6x-14=0

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

-6x=14

x=14/-6

x=-2+1/3

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