-1+(-9+x)=11

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Solution for -1+(-9+x)=11 equation: 



-1+(-9+x)=11

We move all terms to the left:

-1+(-9+x)-(11)=0

We add all the numbers together, and all the variables

(x-9)-1-11=0

We add all the numbers together, and all the variables

(x-9)-12=0

We get rid of parentheses

x-9-12=0

We add all the numbers together, and all the variables

x-21=0

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

x=21

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