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28=-1/2k
We move all terms to the left:
28-(-1/2k)=0
Domain of the equation: 2k)!=0We get rid of parentheses
k!=0/1
k!=0
k∈R
1/2k+28=0
We multiply all the terms by the denominator
28*2k+1=0
Wy multiply elements
56k+1=0
We move all terms containing k to the left, all other terms to the right
56k=-1
k=-1/56
k=-1/56
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