-x-9=8x-7

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Solution for -x-9=8x-7 equation: 



-x-9=8x-7

We move all terms to the left:

-x-9-(8x-7)=0

We add all the numbers together, and all the variables

-1x-(8x-7)-9=0

We get rid of parentheses

-1x-8x+7-9=0

We add all the numbers together, and all the variables

-9x-2=0

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

-9x=2

x=2/-9

x=-2/9

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