9d-3=8d+12

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Solution for 9d-3=8d+12 equation: 



9d-3=8d+12

We move all terms to the left:

9d-3-(8d+12)=0

We get rid of parentheses

9d-8d-12-3=0

We add all the numbers together, and all the variables

d-15=0

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

d=15

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