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1.60+6.25-k=5.47
We move all terms to the left:
1.60+6.25-k-(5.47)=0
We add all the numbers together, and all the variables
-1k+2.38=0
We move all terms containing k to the left, all other terms to the right
-k=-2.38
k=-2.38/-1
k=2+0.38/1
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