7d-3=7

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Solution for 7d-3=7 equation: 



7d-3=7

We move all terms to the left:

7d-3-(7)=0

We add all the numbers together, and all the variables

7d-10=0

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

7d=10

d=10/7

d=1+3/7

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