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-21.8=-2.6+w6
We move all terms to the left:
-21.8-(-2.6+w6)=0
We add all the numbers together, and all the variables
-(+w^6-2.6)-21.8=0
We get rid of parentheses
-w^6+2.6-21.8=0
We do not support ewpression: w^6
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