y^2-63=0

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Solution for y^2-63=0 equation: 


Simplifying
y2 + -63 = 0

Reorder the terms:
-63 + y2 = 0

Solving
-63 + y2 = 0

Solving for variable 'y'.

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

Add '63' to each side of the equation.
-63 + 63 + y2 = 0 + 63

Combine like terms: -63 + 63 = 0
0 + y2 = 0 + 63
y2 = 0 + 63

Combine like terms: 0 + 63 = 63
y2 = 63

Simplifying
y2 = 63

Take the square root of each side:
y = {-7.937253933, 7.937253933}

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