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Simplifying 3n + -5(n + -3) = -25 Reorder the terms: 3n + -5(-3 + n) = -25 3n + (-3 * -5 + n * -5) = -25 3n + (15 + -5n) = -25 Reorder the terms: 15 + 3n + -5n = -25 Combine like terms: 3n + -5n = -2n 15 + -2n = -25 Solving 15 + -2n = -25 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -2n = -25 + -15 Combine like terms: 15 + -15 = 0 0 + -2n = -25 + -15 -2n = -25 + -15 Combine like terms: -25 + -15 = -40 -2n = -40 Divide each side by '-2'. n = 20 Simplifying n = 20
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