2d+9=3d-4

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Solution for 2d+9=3d-4 equation: 



2d+9=3d-4

We move all terms to the left:

2d+9-(3d-4)=0

We get rid of parentheses

2d-3d+4+9=0

We add all the numbers together, and all the variables

-1d+13=0

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

-d=-13

d=-13/-1

d=+13

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