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13.7=k-2.6
We move all terms to the left:
13.7-(k-2.6)=0
We get rid of parentheses
-k+2.6+13.7=0
We add all the numbers together, and all the variables
-1k+16.3=0
We move all terms containing k to the left, all other terms to the right
-k=-16.3
k=-16.3/-1
k=16+0.3/1
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