-12=3(-7x-4)

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Solution for -12=3(-7x-4) equation: 



-12=3(-7x-4)

We move all terms to the left:

-12-(3(-7x-4))=0



We calculate terms in parentheses: -(3(-7x-4)), so:

3(-7x-4)

We multiply parentheses

-21x-12

Back to the equation:

-(-21x-12)



We get rid of parentheses

21x+12-12=0

We add all the numbers together, and all the variables

21x=0

x=0/21

x=0

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