3^2x=1/81 - solution

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Solution for 3^2x=1/81 equation:

x in (-oo:+oo)

3^2*x = 1/81 // - 1/81

3^2*x-(1/81) = 0

3^2*x-1/81 = 0

9*x-1/81 = 0 // + 1/81

9*x = 1/81 // : 9

x = 1/81/9

x = 1/729

x = 1/729

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