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42=k84/10
We move all terms to the left:
42-(k84/10)=0
We add all the numbers together, and all the variables
-(+k84/10)+42=0
We get rid of parentheses
-k84/10+42=0
We multiply all the terms by the denominator
-k84+42*10=0
We add all the numbers together, and all the variables
-1k^84+420=0
We do not support ekpression: k^84
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