39=-9-12x

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Solution for 39=-9-12x equation: 



39=-9-12x

We move all terms to the left:

39-(-9-12x)=0

We add all the numbers together, and all the variables

-(-12x-9)+39=0

We get rid of parentheses

12x+9+39=0

We add all the numbers together, and all the variables

12x+48=0

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

12x=-48

x=-48/12

x=-4

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