3x+6x-9=9+8x

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Solution for 3x+6x-9=9+8x equation: 



3x+6x-9=9+8x

We move all terms to the left:

3x+6x-9-(9+8x)=0

We add all the numbers together, and all the variables

3x+6x-(8x+9)-9=0

We add all the numbers together, and all the variables

9x-(8x+9)-9=0

We get rid of parentheses

9x-8x-9-9=0

We add all the numbers together, and all the variables

x-18=0

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

x=18

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