1/2d-21=3.2

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Solution for 1/2d-21=3.2 equation: 



1/2d-21=3.2

We move all terms to the left:

1/2d-21-(3.2)=0



Domain of the equation: 2d!=0

d!=0/2

d!=0

d∈R



We add all the numbers together, and all the variables

1/2d-24.2=0

We multiply all the terms by the denominator


-(24.2)*2d+1=0

We multiply parentheses

-48.4d+1=0

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

-48.4d=-1

d=-1/-48.4

d=1/48.4

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