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1/8k=4
We move all terms to the left:
1/8k-(4)=0
Domain of the equation: 8k!=0We multiply all the terms by the denominator
k!=0/8
k!=0
k∈R
-4*8k+1=0
Wy multiply elements
-32k+1=0
We move all terms containing k to the left, all other terms to the right
-32k=-1
k=-1/-32
k=1/32
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