7d-1=1

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Solution for 7d-1=1 equation: 



7d-1=1

We move all terms to the left:

7d-1-(1)=0

We add all the numbers together, and all the variables

7d-2=0

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

7d=2

d=2/7

d=2/7

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