-3=12/d

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Solution for -3=12/d equation: 



-3=12/d

We move all terms to the left:

-3-(12/d)=0



Domain of the equation: d)!=0

d!=0/1

d!=0

d∈R



We add all the numbers together, and all the variables

-(+12/d)-3=0

We get rid of parentheses

-12/d-3=0

We multiply all the terms by the denominator


-3*d-12=0

We add all the numbers together, and all the variables

-3d-12=0

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

-3d=12

d=12/-3

d=-4

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