y^2-55=80

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Solution for y^2-55=80 equation: 


Simplifying
y2 + -55 = 80

Reorder the terms:
-55 + y2 = 80

Solving
-55 + y2 = 80

Solving for variable 'y'.

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

Add '55' to each side of the equation.
-55 + 55 + y2 = 80 + 55

Combine like terms: -55 + 55 = 0
0 + y2 = 80 + 55
y2 = 80 + 55

Combine like terms: 80 + 55 = 135
y2 = 135

Simplifying
y2 = 135

Take the square root of each side:
y = {-11.618950039, 11.618950039}

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