8y^2-16=4

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Solution for 8y^2-16=4 equation:


Simplifying
8y2 + -16 = 4

Reorder the terms:
-16 + 8y2 = 4

Solving
-16 + 8y2 = 4

Solving for variable 'y'.

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

Add '16' to each side of the equation.
-16 + 16 + 8y2 = 4 + 16

Combine like terms: -16 + 16 = 0
0 + 8y2 = 4 + 16
8y2 = 4 + 16

Combine like terms: 4 + 16 = 20
8y2 = 20

Divide each side by '8'.
y2 = 2.5

Simplifying
y2 = 2.5

Take the square root of each side:
y = {-1.58113883, 1.58113883}

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