3d+3=d+7

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Solution for 3d+3=d+7 equation: 



3d+3=d+7

We move all terms to the left:

3d+3-(d+7)=0

We get rid of parentheses

3d-d-7+3=0

We add all the numbers together, and all the variables

2d-4=0

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

2d=4

d=4/2

d=2

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