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k+7.2=3.4*
We move all terms to the left:
k+7.2-(3.4*)=0
We add all the numbers together, and all the variables
k+7.2-0=0
We add all the numbers together, and all the variables
k+7.2=0
We move all terms containing k to the left, all other terms to the right
k=-7.2
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