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42=k8/84
We move all terms to the left:
42-(k8/84)=0
We add all the numbers together, and all the variables
-(+k8/84)+42=0
We get rid of parentheses
-k8/84+42=0
We multiply all the terms by the denominator
-k8+42*84=0
We add all the numbers together, and all the variables
-1k^8+3528=0
We do not support ekpression: k^8
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