12-4y^2=8

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Solution for 12-4y^2=8 equation: 


Simplifying
12 + -4y2 = 8

Solving
12 + -4y2 = 8

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + -4y2 = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -4y2 = 8 + -12
-4y2 = 8 + -12

Combine like terms: 8 + -12 = -4
-4y2 = -4

Divide each side by '-4'.
y2 = 1

Simplifying
y2 = 1

Take the square root of each side:
y = {-1, 1}

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