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36.4+k=64.1k=28.7
We move all terms to the left:
36.4+k-(64.1k)=0
We add all the numbers together, and all the variables
k-(+64.1k)+36.4=0
We get rid of parentheses
k-64.1k+36.4=0
We add all the numbers together, and all the variables
-63.1k+36.4=0
We move all terms containing k to the left, all other terms to the right
-63.1k=-36.4
k=-36.4/-63.1
k=3.8723404255319/6.7127659574468
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