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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



We calculate terms in parentheses: -(-(-1x-9)), so:

-(-1x-9)

We get rid of parentheses

1x+9

We add all the numbers together, and all the variables

x+9

Back to the equation:

-(x+9)



We add all the numbers together, and all the variables

-1x-(x+9)-8=0

We get rid of parentheses

-1x-x-9-8=0

We add all the numbers together, and all the variables

-2x-17=0

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

-2x=17

x=17/-2

x=-8+1/2

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