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-k+2k=1/2
We move all terms to the left:
-k+2k-(1/2)=0
We add all the numbers together, and all the variables
-k+2k-(+1/2)=0
We add all the numbers together, and all the variables
k-(+1/2)=0
We get rid of parentheses
k-1/2=0
We multiply all the terms by the denominator
k*2-1=0
Wy multiply elements
2k-1=0
We move all terms containing k to the left, all other terms to the right
2k=1
k=1/2
k=1/2
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