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k/2.5+81.9=47.2
We move all terms to the left:
k/2.5+81.9-(47.2)=0
We add all the numbers together, and all the variables
k/2.5+34.7=0
We multiply all the terms by the denominator
k+(34.7)*2.5=0
We add all the numbers together, and all the variables
k+86.75=0
We move all terms containing k to the left, all other terms to the right
k=-86.75
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