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9^2x-1*3^3x-1=27^x+3
We move all terms to the left:
9^2x-1*3^3x-1-(27^x+3)=0
Wy multiply elements
-3x^3+9^2x-(27^x+3)-1=0
We get rid of parentheses
-3x^3+9^2x-27^x-3-1=0
We do not support expression: x^3
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