d/21=18

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Solution for d/21=18 equation: 



d/21=18

We move all terms to the left:

d/21-(18)=0

We multiply all the terms by the denominator


d-18*21=0

We add all the numbers together, and all the variables

d-378=0

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

d=378

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