3d+4=4-9d

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Solution for 3d+4=4-9d equation: 



3d+4=4-9d

We move all terms to the left:

3d+4-(4-9d)=0

We add all the numbers together, and all the variables

3d-(-9d+4)+4=0

We get rid of parentheses

3d+9d-4+4=0

We add all the numbers together, and all the variables

12d=0

d=0/12

d=0

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