-10=-(-9+x)=

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Solution for -10=-(-9+x)= equation: 



-10=-(-9+x)=

We move all terms to the left:

-10-(-(-9+x))=0

We add all the numbers together, and all the variables

-(-(x-9))-10=0



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

-(x-9)

We get rid of parentheses

-x+9

We add all the numbers together, and all the variables

-1x+9

Back to the equation:

-(-1x+9)



We get rid of parentheses

1x-9-10=0

We add all the numbers together, and all the variables

x-19=0

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

x=19

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