3d+12=6+d

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



3d+12=6+d

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3d-d-6+12=0

We add all the numbers together, and all the variables

2d+6=0

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

2d=-6

d=-6/2

d=-3

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