2y^2=4y^2-60

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Solution for 2y^2=4y^2-60 equation: 


Simplifying
2y2 = 4y2 + -60

Reorder the terms:
2y2 = -60 + 4y2

Solving
2y2 = -60 + 4y2

Solving for variable 'y'.

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

Add '-4y2' to each side of the equation.
2y2 + -4y2 = -60 + 4y2 + -4y2

Combine like terms: 2y2 + -4y2 = -2y2
-2y2 = -60 + 4y2 + -4y2

Combine like terms: 4y2 + -4y2 = 0
-2y2 = -60 + 0
-2y2 = -60

Divide each side by '-2'.
y2 = 30

Simplifying
y2 = 30

Take the square root of each side:
y = {-5.477225575, 5.477225575}

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