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Simplifying (2n3 + -8n2 + 7) + (n3 + 8n + -9) = 0 Reorder the terms: (7 + -8n2 + 2n3) + (n3 + 8n + -9) = 0 Remove parenthesis around (7 + -8n2 + 2n3) 7 + -8n2 + 2n3 + (n3 + 8n + -9) = 0 Reorder the terms: 7 + -8n2 + 2n3 + (-9 + 8n + n3) = 0 Remove parenthesis around (-9 + 8n + n3) 7 + -8n2 + 2n3 + -9 + 8n + n3 = 0 Reorder the terms: 7 + -9 + 8n + -8n2 + 2n3 + n3 = 0 Combine like terms: 7 + -9 = -2 -2 + 8n + -8n2 + 2n3 + n3 = 0 Combine like terms: 2n3 + n3 = 3n3 -2 + 8n + -8n2 + 3n3 = 0 Solving -2 + 8n + -8n2 + 3n3 = 0 Solving for variable 'n'. The solution to this equation could not be determined.
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