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54+18=x9+3
We move all terms to the left:
54+18-(x9+3)=0
We add all the numbers together, and all the variables
-(+x^9+3)+54+18=0
We add all the numbers together, and all the variables
-(+x^9+3)+72=0
We get rid of parentheses
-x^9-3+72=0
We do not support expression: x^9
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