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0.123k+0.245=0.789
We move all terms to the left:
0.123k+0.245-(0.789)=0
We add all the numbers together, and all the variables
0.123k-0.544=0
We move all terms containing k to the left, all other terms to the right
0.123k=0.544
k=0.544/0.123
k=4+0.052/0.123
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