-x-x=-x+(-x)=0

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Solution for -x-x=-x+(-x)=0 equation: 



-x-x=-x+(-x)=0

We move all terms to the left:

-x-x-(-x+(-x))=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-2x-(-x+(-1x))=0



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

-x+(-1x)

We add all the numbers together, and all the variables

-1x+(-1x)

We get rid of parentheses

-1x-1x

We add all the numbers together, and all the variables

-2x

Back to the equation:

-(-2x)



We get rid of parentheses

-2x+2x=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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