1/3d+9=12

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Solution for 1/3d+9=12 equation: 



1/3d+9=12

We move all terms to the left:

1/3d+9-(12)=0



Domain of the equation: 3d!=0

d!=0/3

d!=0

d∈R



We add all the numbers together, and all the variables

1/3d-3=0

We multiply all the terms by the denominator


-3*3d+1=0

Wy multiply elements

-9d+1=0

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

-9d=-1

d=-1/-9

d=1/9

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