y^2-3=6

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Solution for y^2-3=6 equation:


Simplifying
y2 + -3 = 6

Reorder the terms:
-3 + y2 = 6

Solving
-3 + y2 = 6

Solving for variable 'y'.

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

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

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

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

Simplifying
y2 = 9

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

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