7d-2d+9=34

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Solution for 7d-2d+9=34 equation: 



7d-2d+9=34

We move all terms to the left:

7d-2d+9-(34)=0

We add all the numbers together, and all the variables

5d-25=0

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

5d=25

d=25/5

d=5

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