-3D-2=-9+7d-9d

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Solution for -3D-2=-9+7d-9d equation: 



-3-2=-9+7D-9D

We move all terms to the left:

-3-2-(-9+7D-9D)=0

We add all the numbers together, and all the variables

-(-2D-9)-3-2=0

We add all the numbers together, and all the variables

-(-2D-9)-5=0

We get rid of parentheses

2D+9-5=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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