3d+4=4d+9

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



3d+4=4d+9

We move all terms to the left:

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

We get rid of parentheses

3d-4d-9+4=0

We add all the numbers together, and all the variables

-1d-5=0

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

-d=5

d=5/-1

d=-5

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