9d-7=47

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Solution for 9d-7=47 equation: 



9d-7=47

We move all terms to the left:

9d-7-(47)=0

We add all the numbers together, and all the variables

9d-54=0

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

9d=54

d=54/9

d=6

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