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