7d-3=42

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Solution for 7d-3=42 equation: 



7d-3=42

We move all terms to the left:

7d-3-(42)=0

We add all the numbers together, and all the variables

7d-45=0

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

7d=45

d=45/7

d=6+3/7

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