100=3(19-x)

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Solution for 100=3(19-x) equation: 



100=3(19-x)

We move all terms to the left:

100-(3(19-x))=0

We add all the numbers together, and all the variables

-(3(-1x+19))+100=0



We calculate terms in parentheses: -(3(-1x+19)), so:

3(-1x+19)

We multiply parentheses

-3x+57

Back to the equation:

-(-3x+57)



We get rid of parentheses

3x-57+100=0

We add all the numbers together, and all the variables

3x+43=0

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

3x=-43

x=-43/3

x=-14+1/3

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