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Simplifying 189 = -9(-3n + -6) Reorder the terms: 189 = -9(-6 + -3n) 189 = (-6 * -9 + -3n * -9) 189 = (54 + 27n) Solving 189 = 54 + 27n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-27n' to each side of the equation. 189 + -27n = 54 + 27n + -27n Combine like terms: 27n + -27n = 0 189 + -27n = 54 + 0 189 + -27n = 54 Add '-189' to each side of the equation. 189 + -189 + -27n = 54 + -189 Combine like terms: 189 + -189 = 0 0 + -27n = 54 + -189 -27n = 54 + -189 Combine like terms: 54 + -189 = -135 -27n = -135 Divide each side by '-27'. n = 5 Simplifying n = 5
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