3d-2=-20

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Solution for 3d-2=-20 equation: 



3d-2=-20

We move all terms to the left:

3d-2-(-20)=0

We add all the numbers together, and all the variables

3d+18=0

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

3d=-18

d=-18/3

d=-6

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