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Simplifying 2(7n + -1) + 3 = 99 Reorder the terms: 2(-1 + 7n) + 3 = 99 (-1 * 2 + 7n * 2) + 3 = 99 (-2 + 14n) + 3 = 99 Reorder the terms: -2 + 3 + 14n = 99 Combine like terms: -2 + 3 = 1 1 + 14n = 99 Solving 1 + 14n = 99 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 14n = 99 + -1 Combine like terms: 1 + -1 = 0 0 + 14n = 99 + -1 14n = 99 + -1 Combine like terms: 99 + -1 = 98 14n = 98 Divide each side by '14'. n = 7 Simplifying n = 7
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