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

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Solution for 6x-9-2x=12+3x equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

4x-(3x+12)-9=0

We get rid of parentheses

4x-3x-12-9=0

We add all the numbers together, and all the variables

x-21=0

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

x=21

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