x+9=12x=3

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Solution for x+9=12x=3 equation: 



x+9=12x=3

We move all terms to the left:

x+9-(12x)=0

We add all the numbers together, and all the variables

-11x+9=0

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

-11x=-9

x=-9/-11

x=9/11

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