1/7d+4=13

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Solution for 1/7d+4=13 equation: 



1/7d+4=13

We move all terms to the left:

1/7d+4-(13)=0



Domain of the equation: 7d!=0

d!=0/7

d!=0

d∈R



We add all the numbers together, and all the variables

1/7d-9=0

We multiply all the terms by the denominator


-9*7d+1=0

Wy multiply elements

-63d+1=0

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

-63d=-1

d=-1/-63

d=1/63

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