3x+31=12x

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Solution for 3x+31=12x equation: 



3x+31=12x

We move all terms to the left:

3x+31-(12x)=0

We add all the numbers together, and all the variables

-9x+31=0

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

-9x=-31

x=-31/-9

x=3+4/9

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