7d-9=23

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Solution for 7d-9=23 equation: 



7d-9=23

We move all terms to the left:

7d-9-(23)=0

We add all the numbers together, and all the variables

7d-32=0

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

7d=32

d=32/7

d=4+4/7

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