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Simplifying x2 + -4y2 + 15 = 0 Reorder the terms: 15 + x2 + -4y2 = 0 Solving 15 + x2 + -4y2 = 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 + -15 + -4y2 = 0 + -15 Reorder the terms: 15 + -15 + x2 + -4y2 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + x2 + -4y2 = 0 + -15 x2 + -4y2 = 0 + -15 Combine like terms: 0 + -15 = -15 x2 + -4y2 = -15 Add '4y2' to each side of the equation. x2 + -4y2 + 4y2 = -15 + 4y2 Combine like terms: -4y2 + 4y2 = 0 x2 + 0 = -15 + 4y2 x2 = -15 + 4y2 Simplifying x2 = -15 + 4y2 Reorder the terms: 15 + x2 + -4y2 = -15 + 4y2 + 15 + -4y2 Reorder the terms: 15 + x2 + -4y2 = -15 + 15 + 4y2 + -4y2 Combine like terms: -15 + 15 = 0 15 + x2 + -4y2 = 0 + 4y2 + -4y2 15 + x2 + -4y2 = 4y2 + -4y2 Combine like terms: 4y2 + -4y2 = 0 15 + x2 + -4y2 = 0 The solution to this equation could not be determined.
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