y^2+-81=16

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Solution for y^2+-81=16 equation: 


Simplifying
y2 + -81 = 16

Reorder the terms:
-81 + y2 = 16

Solving
-81 + y2 = 16

Solving for variable 'y'.

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

Add '81' to each side of the equation.
-81 + 81 + y2 = 16 + 81

Combine like terms: -81 + 81 = 0
0 + y2 = 16 + 81
y2 = 16 + 81

Combine like terms: 16 + 81 = 97
y2 = 97

Simplifying
y2 = 97

Take the square root of each side:
y = {-9.848857802, 9.848857802}

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