3(-x)=(-x)=9+(-x)

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Solution for 3(-x)=(-x)=9+(-x) equation: 



3(-x)=(-x)=9+(-x)

We move all terms to the left:

3(-x)-((-x))=0

We add all the numbers together, and all the variables

3(-1x)-((-1x))=0

We multiply parentheses

-3x-((-1x))=0



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

(-1x)

We get rid of parentheses

-x

Back to the equation:

-(-x)



We add all the numbers together, and all the variables

-3x-(-1x)=0

We get rid of parentheses

-3x+1x=0

We add all the numbers together, and all the variables

-2x=0

x=0/-2

x=0

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