81y^2=1

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Solution for 81y^2=1 equation: 


Simplifying
81y2 = 1

Solving
81y2 = 1

Solving for variable 'y'.

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

Divide each side by '81'.
y2 = 0.01234567901

Simplifying
y2 = 0.01234567901

Take the square root of each side:
y = {-0.111111111, 0.111111111}

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