-42=3(2x-4)

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Solution for -42=3(2x-4) equation: 



-42=3(2x-4)

We move all terms to the left:

-42-(3(2x-4))=0



We calculate terms in parentheses: -(3(2x-4)), so:

3(2x-4)

We multiply parentheses

6x-12

Back to the equation:

-(6x-12)



We get rid of parentheses

-6x+12-42=0

We add all the numbers together, and all the variables

-6x-30=0

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

-6x=30

x=30/-6

x=-5

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