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Simplifying -2n2 + 9 = -4n2 + -4 Reorder the terms: 9 + -2n2 = -4n2 + -4 Reorder the terms: 9 + -2n2 = -4 + -4n2 Solving 9 + -2n2 = -4 + -4n2 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '4n2' to each side of the equation. 9 + -2n2 + 4n2 = -4 + -4n2 + 4n2 Combine like terms: -2n2 + 4n2 = 2n2 9 + 2n2 = -4 + -4n2 + 4n2 Combine like terms: -4n2 + 4n2 = 0 9 + 2n2 = -4 + 0 9 + 2n2 = -4 Add '-9' to each side of the equation. 9 + -9 + 2n2 = -4 + -9 Combine like terms: 9 + -9 = 0 0 + 2n2 = -4 + -9 2n2 = -4 + -9 Combine like terms: -4 + -9 = -13 2n2 = -13 Divide each side by '2'. n2 = -6.5 Simplifying n2 = -6.5 Reorder the terms: 6.5 + n2 = -6.5 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 6.5 + n2 = 0.0 The solution to this equation could not be determined.
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