-8x-7=129

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Solution for -8x-7=129 equation: 



-8x-7=129

We move all terms to the left:

-8x-7-(129)=0

We add all the numbers together, and all the variables

-8x-136=0

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

-8x=136

x=136/-8

x=-17

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