-x-1=12x+8

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Solution for -x-1=12x+8 equation: 



-x-1=12x+8

We move all terms to the left:

-x-1-(12x+8)=0

We add all the numbers together, and all the variables

-1x-(12x+8)-1=0

We get rid of parentheses

-1x-12x-8-1=0

We add all the numbers together, and all the variables

-13x-9=0

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

-13x=9

x=9/-13

x=-9/13

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