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Simplifying 9 + n = -6 + -2n Solving 9 + n = -6 + -2n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '2n' to each side of the equation. 9 + n + 2n = -6 + -2n + 2n Combine like terms: n + 2n = 3n 9 + 3n = -6 + -2n + 2n Combine like terms: -2n + 2n = 0 9 + 3n = -6 + 0 9 + 3n = -6 Add '-9' to each side of the equation. 9 + -9 + 3n = -6 + -9 Combine like terms: 9 + -9 = 0 0 + 3n = -6 + -9 3n = -6 + -9 Combine like terms: -6 + -9 = -15 3n = -15 Divide each side by '3'. n = -5 Simplifying n = -5
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