3d+7=7d+27

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Solution for 3d+7=7d+27 equation: 



3d+7=7d+27

We move all terms to the left:

3d+7-(7d+27)=0

We get rid of parentheses

3d-7d-27+7=0

We add all the numbers together, and all the variables

-4d-20=0

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

-4d=20

d=20/-4

d=-5

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