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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

3x+6x-(2x+9)-12=0

We get rid of parentheses

3x+6x-2x-9-12=0

We add all the numbers together, and all the variables

7x-21=0

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

7x=21

x=21/7

x=3

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