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Simplifying -7(7n + 5) = -280 Reorder the terms: -7(5 + 7n) = -280 (5 * -7 + 7n * -7) = -280 (-35 + -49n) = -280 Solving -35 + -49n = -280 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '35' to each side of the equation. -35 + 35 + -49n = -280 + 35 Combine like terms: -35 + 35 = 0 0 + -49n = -280 + 35 -49n = -280 + 35 Combine like terms: -280 + 35 = -245 -49n = -245 Divide each side by '-49'. n = 5 Simplifying n = 5
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