-7d/3=21

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Solution for -7d/3=21 equation: 



-7d/3=21

We move all terms to the left:

-7d/3-(21)=0

We multiply all the terms by the denominator


-7d-21*3=0

We add all the numbers together, and all the variables

-7d-63=0

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

-7d=63

d=63/-7

d=-9

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