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81^-4/724^2-x=9^4x
We move all terms to the left:
81^-4/724^2-x-(9^4x)=0
We add all the numbers together, and all the variables
-1x-9^4x-4/724^2=0
We multiply all the terms by the denominator
-1x*724^2-9^4x*724^2-4=0
Wy multiply elements
-724x^3-6516x^6-4=0
We do not support expression: x^3
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