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Simplifying -7(-2n + -1) + -7n = 7 + 5n Reorder the terms: -7(-1 + -2n) + -7n = 7 + 5n (-1 * -7 + -2n * -7) + -7n = 7 + 5n (7 + 14n) + -7n = 7 + 5n Combine like terms: 14n + -7n = 7n 7 + 7n = 7 + 5n Add '-7' to each side of the equation. 7 + -7 + 7n = 7 + -7 + 5n Combine like terms: 7 + -7 = 0 0 + 7n = 7 + -7 + 5n 7n = 7 + -7 + 5n Combine like terms: 7 + -7 = 0 7n = 0 + 5n 7n = 5n Solving 7n = 5n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-5n' to each side of the equation. 7n + -5n = 5n + -5n Combine like terms: 7n + -5n = 2n 2n = 5n + -5n Combine like terms: 5n + -5n = 0 2n = 0 Divide each side by '2'. n = 0 Simplifying n = 0
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