12+11x=-9

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Solution for 12+11x=-9 equation: 



12+11x=-9

We move all terms to the left:

12+11x-(-9)=0

We add all the numbers together, and all the variables

11x+21=0

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

11x=-21

x=-21/11

x=-1+10/11

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