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238.7+1.8k=3.02*10^5
We move all terms to the left:
238.7+1.8k-(3.02*10^5)=0
We add all the numbers together, and all the variables
1.8k-301761.3=0
We move all terms containing k to the left, all other terms to the right
1.8k=301761.3
k=301761.3/1.8
k=167645+0.29999999998836/1.8
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