-3x=9+6x

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



-3x=9+6x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-3x-6x-9=0

We add all the numbers together, and all the variables

-9x-9=0

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

-9x=9

x=9/-9

x=-1

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