12=3+x/9

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Solution for 12=3+x/9 equation: 



12=3+x/9

We move all terms to the left:

12-(3+x/9)=0

We add all the numbers together, and all the variables

-(x/9+3)+12=0

We get rid of parentheses

-x/9-3+12=0

We multiply all the terms by the denominator


-x-3*9+12*9=0

We add all the numbers together, and all the variables

-1x+81=0

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

-x=-81

x=-81/-1

x=+81

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