12=-5x-7-4x

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Solution for 12=-5x-7-4x equation: 



12=-5x-7-4x

We move all terms to the left:

12-(-5x-7-4x)=0

We add all the numbers together, and all the variables

-(-9x-7)+12=0

We get rid of parentheses

9x+7+12=0

We add all the numbers together, and all the variables

9x+19=0

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

9x=-19

x=-19/9

x=-2+1/9

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