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Simplifying D2 + 8d + 9 = 0 Reorder the terms: 9 + D2 + 8d = 0 Solving 9 + D2 + 8d = 0 Solving for variable 'D'. Move all terms containing D to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + D2 + -9 + 8d = 0 + -9 Reorder the terms: 9 + -9 + D2 + 8d = 0 + -9 Combine like terms: 9 + -9 = 0 0 + D2 + 8d = 0 + -9 D2 + 8d = 0 + -9 Combine like terms: 0 + -9 = -9 D2 + 8d = -9 Add '-8d' to each side of the equation. D2 + 8d + -8d = -9 + -8d Combine like terms: 8d + -8d = 0 D2 + 0 = -9 + -8d D2 = -9 + -8d Simplifying D2 = -9 + -8d Reorder the terms: 9 + D2 + 8d = -9 + -8d + 9 + 8d Reorder the terms: 9 + D2 + 8d = -9 + 9 + -8d + 8d Combine like terms: -9 + 9 = 0 9 + D2 + 8d = 0 + -8d + 8d 9 + D2 + 8d = -8d + 8d Combine like terms: -8d + 8d = 0 9 + D2 + 8d = 0 The solution to this equation could not be determined.
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