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3^2-3x=1/81
We move all terms to the left:
3^2-3x-(1/81)=0
We add all the numbers together, and all the variables
-3x+3^2-(+1/81)=0
We add all the numbers together, and all the variables
-3x+9-(+1/81)=0
We get rid of parentheses
-3x+9-1/81=0
We multiply all the terms by the denominator
-3x*81-1+9*81=0
We add all the numbers together, and all the variables
-3x*81+728=0
Wy multiply elements
-243x+728=0
We move all terms containing x to the left, all other terms to the right
-243x=-728
x=-728/-243
x=2+242/243
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