-x=20-(x+9)

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



-x=20-(x+9)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1x-(20-(x+9))=0



We calculate terms in parentheses: -(20-(x+9)), so:

20-(x+9)

determiningTheFunctionDomain
-(x+9)+20

We get rid of parentheses

-x-9+20

We add all the numbers together, and all the variables

-1x+11

Back to the equation:

-(-1x+11)



We get rid of parentheses

-1x+1x-11=0

We add all the numbers together, and all the variables

-11!=0

There is no solution for this equation

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