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Simplifying N2 + 20n + -40 = -9 Reorder the terms: -40 + N2 + 20n = -9 Solving -40 + N2 + 20n = -9 Solving for variable 'N'. Move all terms containing N to the left, all other terms to the right. Add '40' to each side of the equation. -40 + N2 + 40 + 20n = -9 + 40 Reorder the terms: -40 + 40 + N2 + 20n = -9 + 40 Combine like terms: -40 + 40 = 0 0 + N2 + 20n = -9 + 40 N2 + 20n = -9 + 40 Combine like terms: -9 + 40 = 31 N2 + 20n = 31 Add '-20n' to each side of the equation. N2 + 20n + -20n = 31 + -20n Combine like terms: 20n + -20n = 0 N2 + 0 = 31 + -20n N2 = 31 + -20n Simplifying N2 = 31 + -20n Reorder the terms: -31 + N2 + 20n = 31 + -20n + -31 + 20n Reorder the terms: -31 + N2 + 20n = 31 + -31 + -20n + 20n Combine like terms: 31 + -31 = 0 -31 + N2 + 20n = 0 + -20n + 20n -31 + N2 + 20n = -20n + 20n Combine like terms: -20n + 20n = 0 -31 + N2 + 20n = 0 The solution to this equation could not be determined.
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