-111+9x+7x=129

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Solution for -111+9x+7x=129 equation: 



-111+9x+7x=129

We move all terms to the left:

-111+9x+7x-(129)=0

We add all the numbers together, and all the variables

16x-240=0

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

16x=240

x=240/16

x=15

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