-9/d=-3

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Solution for -9/d=-3 equation: 



-9/d=-3

We move all terms to the left:

-9/d-(-3)=0



Domain of the equation: d!=0

d∈R



We add all the numbers together, and all the variables

-9/d+3=0

We multiply all the terms by the denominator


3*d-9=0

We add all the numbers together, and all the variables

3d-9=0

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

3d=9

d=9/3

d=3

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