X-7x-109=77

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Solution for X-7x-109=77 equation: 



X-7X-109=77

We move all terms to the left:

X-7X-109-(77)=0

We add all the numbers together, and all the variables

-6X-186=0

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

-6X=186

X=186/-6

X=-31

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