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Simplifying
y2 = 4y2 + -2
Reorder the terms:
y2 = -2 + 4y2
Solving
y2 = -2 + 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.
y2 + -4y2 = -2 + 4y2 + -4y2
Combine like terms: y2 + -4y2 = -3y2
-3y2 = -2 + 4y2 + -4y2
Combine like terms: 4y2 + -4y2 = 0
-3y2 = -2 + 0
-3y2 = -2
Divide each side by '-3'.
y2 = 0.6666666667
Simplifying
y2 = 0.6666666667
Take the square root of each side:
y = {-0.816496581, 0.816496581}
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