81a^2=64

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Solution for 81a^2=64 equation: 


Simplifying
81a2 = 64

Solving
81a2 = 64

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '81'.
a2 = 0.7901234568

Simplifying
a2 = 0.7901234568

Take the square root of each side:
a = {-0.888888889, 0.888888889}

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