y^2-6=3

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Solution for y^2-6=3 equation: 


Simplifying
y2 + -6 = 3

Reorder the terms:
-6 + y2 = 3

Solving
-6 + y2 = 3

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + y2 = 3 + 6

Combine like terms: -6 + 6 = 0
0 + y2 = 3 + 6
y2 = 3 + 6

Combine like terms: 3 + 6 = 9
y2 = 9

Simplifying
y2 = 9

Take the square root of each side:
y = {-3, 3}

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