3(2x-4)-3x=9

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Solution for 3(2x-4)-3x=9 equation: 



3(2x-4)-3x=9

We move all terms to the left:

3(2x-4)-3x-(9)=0

We add all the numbers together, and all the variables

-3x+3(2x-4)-9=0

We multiply parentheses

-3x+6x-12-9=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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