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Simplifying -5n + -3(-4n + -3) = 0 Reorder the terms: -5n + -3(-3 + -4n) = 0 -5n + (-3 * -3 + -4n * -3) = 0 -5n + (9 + 12n) = 0 Reorder the terms: 9 + -5n + 12n = 0 Combine like terms: -5n + 12n = 7n 9 + 7n = 0 Solving 9 + 7n = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 7n = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 7n = 0 + -9 7n = 0 + -9 Combine like terms: 0 + -9 = -9 7n = -9 Divide each side by '7'. n = -1.285714286 Simplifying n = -1.285714286
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