y^2-100=0

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Solution for y^2-100=0 equation: 


Simplifying
y2 + -100 = 0

Reorder the terms:
-100 + y2 = 0

Solving
-100 + y2 = 0

Solving for variable 'y'.

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

Add '100' to each side of the equation.
-100 + 100 + y2 = 0 + 100

Combine like terms: -100 + 100 = 0
0 + y2 = 0 + 100
y2 = 0 + 100

Combine like terms: 0 + 100 = 100
y2 = 100

Simplifying
y2 = 100

Take the square root of each side:
y = {-10, 10}

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