-x-(-2x+9)=-1

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Solution for -x-(-2x+9)=-1 equation: 



-x-(-2x+9)=-1

We move all terms to the left:

-x-(-2x+9)-(-1)=0

We add all the numbers together, and all the variables

-1x-(-2x+9)+1=0

We get rid of parentheses

-1x+2x-9+1=0

We add all the numbers together, and all the variables

x-8=0

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

x=8

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