7d+18-d+2=42

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Solution for 7d+18-d+2=42 equation: 



7d+18-d+2=42

We move all terms to the left:

7d+18-d+2-(42)=0

We add all the numbers together, and all the variables

6d-22=0

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

6d=22

d=22/6

d=3+2/3

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