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Simplifying x2 + y2 + 2y + -15 = 0 Reorder the terms: -15 + x2 + 2y + y2 = 0 Solving -15 + x2 + 2y + y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + x2 + 2y + 15 + y2 = 0 + 15 Reorder the terms: -15 + 15 + x2 + 2y + y2 = 0 + 15 Combine like terms: -15 + 15 = 0 0 + x2 + 2y + y2 = 0 + 15 x2 + 2y + y2 = 0 + 15 Combine like terms: 0 + 15 = 15 x2 + 2y + y2 = 15 Add '-2y' to each side of the equation. x2 + 2y + -2y + y2 = 15 + -2y Combine like terms: 2y + -2y = 0 x2 + 0 + y2 = 15 + -2y x2 + y2 = 15 + -2y Add '-1y2' to each side of the equation. x2 + y2 + -1y2 = 15 + -2y + -1y2 Combine like terms: y2 + -1y2 = 0 x2 + 0 = 15 + -2y + -1y2 x2 = 15 + -2y + -1y2 Simplifying x2 = 15 + -2y + -1y2 Reorder the terms: -15 + x2 + 2y + y2 = 15 + -2y + -1y2 + -15 + 2y + y2 Reorder the terms: -15 + x2 + 2y + y2 = 15 + -15 + -2y + 2y + -1y2 + y2 Combine like terms: 15 + -15 = 0 -15 + x2 + 2y + y2 = 0 + -2y + 2y + -1y2 + y2 -15 + x2 + 2y + y2 = -2y + 2y + -1y2 + y2 Combine like terms: -2y + 2y = 0 -15 + x2 + 2y + y2 = 0 + -1y2 + y2 -15 + x2 + 2y + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 -15 + x2 + 2y + y2 = 0 The solution to this equation could not be determined.
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