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Simplifying a3 + -7a2 = a + -7 Reorder the terms: -7a2 + a3 = a + -7 Reorder the terms: -7a2 + a3 = -7 + a Solving -7a2 + a3 = -7 + a Solving for variable 'a'. Reorder the terms: 7 + -1a + -7a2 + a3 = -7 + a + 7 + -1a Reorder the terms: 7 + -1a + -7a2 + a3 = -7 + 7 + a + -1a Combine like terms: -7 + 7 = 0 7 + -1a + -7a2 + a3 = 0 + a + -1a 7 + -1a + -7a2 + a3 = a + -1a Combine like terms: a + -1a = 0 7 + -1a + -7a2 + a3 = 0 The solution to this equation could not be determined.
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