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Simplifying x2 + y2 + -8x + 4y + 20 = 0 Reorder the terms: 20 + -8x + x2 + 4y + y2 = 0 Solving 20 + -8x + x2 + 4y + y2 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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