3+9=-3(3x-4)

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Solution for 3+9=-3(3x-4) equation: 



3+9=-3(3x-4)

We move all terms to the left:

3+9-(-3(3x-4))=0

We add all the numbers together, and all the variables

-(-3(3x-4))+12=0



We calculate terms in parentheses: -(-3(3x-4)), so:

-3(3x-4)

We multiply parentheses

-9x+12

Back to the equation:

-(-9x+12)



We get rid of parentheses

9x-12+12=0

We add all the numbers together, and all the variables

9x=0

x=0/9

x=0

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