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Simplifying x2 + y2 + -8y + 7 = 0 Reorder the terms: 7 + x2 + -8y + y2 = 0 Solving 7 + x2 + -8y + y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + x2 + -8y + -7 + y2 = 0 + -7 Reorder the terms: 7 + -7 + x2 + -8y + y2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x2 + -8y + y2 = 0 + -7 x2 + -8y + y2 = 0 + -7 Combine like terms: 0 + -7 = -7 x2 + -8y + y2 = -7 Add '8y' to each side of the equation. x2 + -8y + 8y + y2 = -7 + 8y Combine like terms: -8y + 8y = 0 x2 + 0 + y2 = -7 + 8y x2 + y2 = -7 + 8y Add '-1y2' to each side of the equation. x2 + y2 + -1y2 = -7 + 8y + -1y2 Combine like terms: y2 + -1y2 = 0 x2 + 0 = -7 + 8y + -1y2 x2 = -7 + 8y + -1y2 Simplifying x2 = -7 + 8y + -1y2 Reorder the terms: 7 + x2 + -8y + y2 = -7 + 8y + -1y2 + 7 + -8y + y2 Reorder the terms: 7 + x2 + -8y + y2 = -7 + 7 + 8y + -8y + -1y2 + y2 Combine like terms: -7 + 7 = 0 7 + x2 + -8y + y2 = 0 + 8y + -8y + -1y2 + y2 7 + x2 + -8y + y2 = 8y + -8y + -1y2 + y2 Combine like terms: 8y + -8y = 0 7 + x2 + -8y + y2 = 0 + -1y2 + y2 7 + x2 + -8y + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 7 + x2 + -8y + y2 = 0 The solution to this equation could not be determined.
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