3x-9=-(12-3x)

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Solution for 3x-9=-(12-3x) equation: 



3x-9=-(12-3x)

We move all terms to the left:

3x-9-(-(12-3x))=0

We add all the numbers together, and all the variables

3x-(-(-3x+12))-9=0



We calculate terms in parentheses: -(-(-3x+12)), so:

-(-3x+12)

We get rid of parentheses

3x-12

Back to the equation:

-(3x-12)



We get rid of parentheses

3x-3x+12-9=0

We add all the numbers together, and all the variables

3!=0

There is no solution for this equation

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