15=-1/2d

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Solution for 15=-1/2d equation: 



15=-1/2d

We move all terms to the left:

15-(-1/2d)=0



Domain of the equation: 2d)!=0

d!=0/1

d!=0

d∈R



We get rid of parentheses

1/2d+15=0

We multiply all the terms by the denominator


15*2d+1=0

Wy multiply elements

30d+1=0

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

30d=-1

d=-1/30

d=-1/30

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