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 multiply parentheses

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

We get rid of parentheses

6x-3x+9+12=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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