1/3d+1/3d+7=13

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Solution for 1/3d+1/3d+7=13 equation: 



1/3d+1/3d+7=13

We move all terms to the left:

1/3d+1/3d+7-(13)=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+1/3d-6=0

We multiply all the terms by the denominator


-6*3d+1+1=0

We add all the numbers together, and all the variables

-6*3d+2=0

Wy multiply elements

-18d+2=0

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

-18d=-2

d=-2/-18

d=1/9

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