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Simplifying N2 + 9n + 15 = 7 Reorder the terms: 15 + N2 + 9n = 7 Solving 15 + N2 + 9n = 7 Solving for variable 'N'. Move all terms containing N to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + N2 + -15 + 9n = 7 + -15 Reorder the terms: 15 + -15 + N2 + 9n = 7 + -15 Combine like terms: 15 + -15 = 0 0 + N2 + 9n = 7 + -15 N2 + 9n = 7 + -15 Combine like terms: 7 + -15 = -8 N2 + 9n = -8 Add '-9n' to each side of the equation. N2 + 9n + -9n = -8 + -9n Combine like terms: 9n + -9n = 0 N2 + 0 = -8 + -9n N2 = -8 + -9n Simplifying N2 = -8 + -9n Reorder the terms: 8 + N2 + 9n = -8 + -9n + 8 + 9n Reorder the terms: 8 + N2 + 9n = -8 + 8 + -9n + 9n Combine like terms: -8 + 8 = 0 8 + N2 + 9n = 0 + -9n + 9n 8 + N2 + 9n = -9n + 9n Combine like terms: -9n + 9n = 0 8 + N2 + 9n = 0 The solution to this equation could not be determined.
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