12d-6=3d+9

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Solution for 12d-6=3d+9 equation: 



12d-6=3d+9

We move all terms to the left:

12d-6-(3d+9)=0

We get rid of parentheses

12d-3d-9-6=0

We add all the numbers together, and all the variables

9d-15=0

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

9d=15

d=15/9

d=1+2/3

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