39=-3(7+4x)

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Solution for 39=-3(7+4x) equation: 



39=-3(7+4x)

We move all terms to the left:

39-(-3(7+4x))=0

We add all the numbers together, and all the variables

-(-3(4x+7))+39=0



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

-3(4x+7)

We multiply parentheses

-12x-21

Back to the equation:

-(-12x-21)



We get rid of parentheses

12x+21+39=0

We add all the numbers together, and all the variables

12x+60=0

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

12x=-60

x=-60/12

x=-5

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