1/3d+7=12

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Solution for 1/3d+7=12 equation: 



1/3d+7=12

We move all terms to the left:

1/3d+7-(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-5=0

We multiply all the terms by the denominator


-5*3d+1=0

Wy multiply elements

-15d+1=0

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

-15d=-1

d=-1/-15

d=1/15

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