-12x-11=9-7x

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Solution for -12x-11=9-7x equation: 



-12x-11=9-7x

We move all terms to the left:

-12x-11-(9-7x)=0

We add all the numbers together, and all the variables

-12x-(-7x+9)-11=0

We get rid of parentheses

-12x+7x-9-11=0

We add all the numbers together, and all the variables

-5x-20=0

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

-5x=20

x=20/-5

x=-4

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