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Simplifying 9n + 68 = 7n + -72(n + -2) Reorder the terms: 68 + 9n = 7n + -72(n + -2) Reorder the terms: 68 + 9n = 7n + -72(-2 + n) 68 + 9n = 7n + (-2 * -72 + n * -72) 68 + 9n = 7n + (144 + -72n) Reorder the terms: 68 + 9n = 144 + 7n + -72n Combine like terms: 7n + -72n = -65n 68 + 9n = 144 + -65n Solving 68 + 9n = 144 + -65n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '65n' to each side of the equation. 68 + 9n + 65n = 144 + -65n + 65n Combine like terms: 9n + 65n = 74n 68 + 74n = 144 + -65n + 65n Combine like terms: -65n + 65n = 0 68 + 74n = 144 + 0 68 + 74n = 144 Add '-68' to each side of the equation. 68 + -68 + 74n = 144 + -68 Combine like terms: 68 + -68 = 0 0 + 74n = 144 + -68 74n = 144 + -68 Combine like terms: 144 + -68 = 76 74n = 76 Divide each side by '74'. n = 1.027027027 Simplifying n = 1.027027027
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