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Simplifying 20 + 2n = -3(n + 3) + -6 Reorder the terms: 20 + 2n = -3(3 + n) + -6 20 + 2n = (3 * -3 + n * -3) + -6 20 + 2n = (-9 + -3n) + -6 Reorder the terms: 20 + 2n = -9 + -6 + -3n Combine like terms: -9 + -6 = -15 20 + 2n = -15 + -3n Solving 20 + 2n = -15 + -3n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '3n' to each side of the equation. 20 + 2n + 3n = -15 + -3n + 3n Combine like terms: 2n + 3n = 5n 20 + 5n = -15 + -3n + 3n Combine like terms: -3n + 3n = 0 20 + 5n = -15 + 0 20 + 5n = -15 Add '-20' to each side of the equation. 20 + -20 + 5n = -15 + -20 Combine like terms: 20 + -20 = 0 0 + 5n = -15 + -20 5n = -15 + -20 Combine like terms: -15 + -20 = -35 5n = -35 Divide each side by '5'. n = -7 Simplifying n = -7
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