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Simplifying -4y2 + 9x2 + -54x + -63 = 0 Reorder the terms: -63 + -54x + 9x2 + -4y2 = 0 Solving -63 + -54x + 9x2 + -4y2 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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