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Simplifying 8n2 + -9 = -21 Reorder the terms: -9 + 8n2 = -21 Solving -9 + 8n2 = -21 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 8n2 = -21 + 9 Combine like terms: -9 + 9 = 0 0 + 8n2 = -21 + 9 8n2 = -21 + 9 Combine like terms: -21 + 9 = -12 8n2 = -12 Divide each side by '8'. n2 = -1.5 Simplifying n2 = -1.5 Reorder the terms: 1.5 + n2 = -1.5 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 1.5 + n2 = 0.0 The solution to this equation could not be determined.
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