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-1/4d=3
We move all terms to the left:
-1/4d-(3)=0
Domain of the equation: 4d!=0We multiply all the terms by the denominator
d!=0/4
d!=0
d∈R
-3*4d-1=0
Wy multiply elements
-12d-1=0
We move all terms containing d to the left, all other terms to the right
-12d=1
d=1/-12
d=-1/12
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