d/3=21

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Solution for d/3=21 equation: 



d/3=21

We move all terms to the left:

d/3-(21)=0

We multiply all the terms by the denominator


d-21*3=0

We add all the numbers together, and all the variables

d-63=0

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

d=63

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