-3x=-(2x+6)=9

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Solution for -3x=-(2x+6)=9 equation: 



-3x=-(2x+6)=9

We move all terms to the left:

-3x-(-(2x+6))=0



We calculate terms in parentheses: -(-(2x+6)), so:

-(2x+6)

We get rid of parentheses

-2x-6

Back to the equation:

-(-2x-6)



We get rid of parentheses

-3x+2x+6=0

We add all the numbers together, and all the variables

-1x+6=0

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

-x=-6

x=-6/-1

x=+6

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