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Simplifying -3(n + -3) = -11 + 7n Reorder the terms: -3(-3 + n) = -11 + 7n (-3 * -3 + n * -3) = -11 + 7n (9 + -3n) = -11 + 7n Solving 9 + -3n = -11 + 7n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-7n' to each side of the equation. 9 + -3n + -7n = -11 + 7n + -7n Combine like terms: -3n + -7n = -10n 9 + -10n = -11 + 7n + -7n Combine like terms: 7n + -7n = 0 9 + -10n = -11 + 0 9 + -10n = -11 Add '-9' to each side of the equation. 9 + -9 + -10n = -11 + -9 Combine like terms: 9 + -9 = 0 0 + -10n = -11 + -9 -10n = -11 + -9 Combine like terms: -11 + -9 = -20 -10n = -20 Divide each side by '-10'. n = 2 Simplifying n = 2
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