120=3(x+19)

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Solution for 120=3(x+19) equation: 



120=3(x+19)

We move all terms to the left:

120-(3(x+19))=0



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

3(x+19)

We multiply parentheses

3x+57

Back to the equation:

-(3x+57)



We get rid of parentheses

-3x-57+120=0

We add all the numbers together, and all the variables

-3x+63=0

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

-3x=-63

x=-63/-3

x=+21

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