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-7k=45.5
We move all terms to the left:
-7k-(45.5)=0
We add all the numbers together, and all the variables
-7k-45.5=0
We move all terms containing k to the left, all other terms to the right
-7k=45.5
k=45.5/-7
k=-6+2.3333333333333/4.6666666666667
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