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4.22-2k=8.02
We move all terms to the left:
4.22-2k-(8.02)=0
We add all the numbers together, and all the variables
-2k-3.8=0
We move all terms containing k to the left, all other terms to the right
-2k=3.8
k=3.8/-2
k=-1+1/1.1111111111111
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