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Simplifying -1x3 + -1x2 + 21x + 45 = 0 Reorder the terms: 45 + 21x + -1x2 + -1x3 = 0 Solving 45 + 21x + -1x2 + -1x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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