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0.3k-0.3=0.3
We move all terms to the left:
0.3k-0.3-(0.3)=0
We add all the numbers together, and all the variables
0.3k-0.6=0
We move all terms containing k to the left, all other terms to the right
0.3k=0.6
k=0.6/0.3
k=2
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