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Simplifying Y2 + 4x + -2y + 21 = 0 Reorder the terms: 21 + Y2 + 4x + -2y = 0 Solving 21 + Y2 + 4x + -2y = 0 Solving for variable 'Y'. Move all terms containing Y to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + Y2 + 4x + -21 + -2y = 0 + -21 Reorder the terms: 21 + -21 + Y2 + 4x + -2y = 0 + -21 Combine like terms: 21 + -21 = 0 0 + Y2 + 4x + -2y = 0 + -21 Y2 + 4x + -2y = 0 + -21 Combine like terms: 0 + -21 = -21 Y2 + 4x + -2y = -21 Add '-4x' to each side of the equation. Y2 + 4x + -4x + -2y = -21 + -4x Combine like terms: 4x + -4x = 0 Y2 + 0 + -2y = -21 + -4x Y2 + -2y = -21 + -4x Add '2y' to each side of the equation. Y2 + -2y + 2y = -21 + -4x + 2y Combine like terms: -2y + 2y = 0 Y2 + 0 = -21 + -4x + 2y Y2 = -21 + -4x + 2y Simplifying Y2 = -21 + -4x + 2y Reorder the terms: 21 + Y2 + 4x + -2y = -21 + -4x + 2y + 21 + 4x + -2y Reorder the terms: 21 + Y2 + 4x + -2y = -21 + 21 + -4x + 4x + 2y + -2y Combine like terms: -21 + 21 = 0 21 + Y2 + 4x + -2y = 0 + -4x + 4x + 2y + -2y 21 + Y2 + 4x + -2y = -4x + 4x + 2y + -2y Combine like terms: -4x + 4x = 0 21 + Y2 + 4x + -2y = 0 + 2y + -2y 21 + Y2 + 4x + -2y = 2y + -2y Combine like terms: 2y + -2y = 0 21 + Y2 + 4x + -2y = 0 The solution to this equation could not be determined.
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