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

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



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

We move all terms to the left:

9-(3x-2(3x-9))=0



We calculate terms in parentheses: -(3x-2(3x-9)), so:

3x-2(3x-9)

We multiply parentheses

3x-6x+18

We add all the numbers together, and all the variables

-3x+18

Back to the equation:

-(-3x+18)



We get rid of parentheses

3x-18+9=0

We add all the numbers together, and all the variables

3x-9=0

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

3x=9

x=9/3

x=3

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