7d-12=22

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Solution for 7d-12=22 equation: 



7d-12=22

We move all terms to the left:

7d-12-(22)=0

We add all the numbers together, and all the variables

7d-34=0

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

7d=34

d=34/7

d=4+6/7

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