3x-9x=6=20-3x+4x

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Solution for 3x-9x=6=20-3x+4x equation: 



3x-9x=6=20-3x+4x

We move all terms to the left:

3x-9x-(6)=0

We add all the numbers together, and all the variables

-6x-6=0

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

-6x=6

x=6/-6

x=-1

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