3x+6=18+9x

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Solution for 3x+6=18+9x equation: 



3x+6=18+9x

We move all terms to the left:

3x+6-(18+9x)=0

We add all the numbers together, and all the variables

3x-(9x+18)+6=0

We get rid of parentheses

3x-9x-18+6=0

We add all the numbers together, and all the variables

-6x-12=0

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

-6x=12

x=12/-6

x=-2

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