20-(x+9)=11

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Solution for 20-(x+9)=11 equation: 



20-(x+9)=11

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(x+9)+9=0

We get rid of parentheses

-x-9+9=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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