3y^2-4=12

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Solution for 3y^2-4=12 equation:


Simplifying
3y2 + -4 = 12

Reorder the terms:
-4 + 3y2 = 12

Solving
-4 + 3y2 = 12

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + 3y2 = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 3y2 = 12 + 4
3y2 = 12 + 4

Combine like terms: 12 + 4 = 16
3y2 = 16

Divide each side by '3'.
y2 = 5.333333333

Simplifying
y2 = 5.333333333

Take the square root of each side:
y = {-2.309401077, 2.309401077}

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