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Simplifying (y2) + (x2) + -81 = 0 y2 + (x2) + -81 = 0 y2 + x2 + -81 = 0 Reorder the terms: -81 + x2 + y2 = 0 Solving -81 + x2 + y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '81' to each side of the equation. -81 + x2 + 81 + y2 = 0 + 81 Reorder the terms: -81 + 81 + x2 + y2 = 0 + 81 Combine like terms: -81 + 81 = 0 0 + x2 + y2 = 0 + 81 x2 + y2 = 0 + 81 Combine like terms: 0 + 81 = 81 x2 + y2 = 81 Add '-1y2' to each side of the equation. x2 + y2 + -1y2 = 81 + -1y2 Combine like terms: y2 + -1y2 = 0 x2 + 0 = 81 + -1y2 x2 = 81 + -1y2 Simplifying x2 = 81 + -1y2 Reorder the terms: -81 + x2 + y2 = 81 + -1y2 + -81 + y2 Reorder the terms: -81 + x2 + y2 = 81 + -81 + -1y2 + y2 Combine like terms: 81 + -81 = 0 -81 + x2 + y2 = 0 + -1y2 + y2 -81 + x2 + y2 = -1y2 + y2 Combine like terms: -1y2 + y2 = 0 -81 + x2 + y2 = 0 The solution to this equation could not be determined.
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