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Simplifying 4 = -2(4.5n + 25) Reorder the terms: 4 = -2(25 + 4.5n) 4 = (25 * -2 + 4.5n * -2) 4 = (-50 + -9n) Solving 4 = -50 + -9n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '9n' to each side of the equation. 4 + 9n = -50 + -9n + 9n Combine like terms: -9n + 9n = 0 4 + 9n = -50 + 0 4 + 9n = -50 Add '-4' to each side of the equation. 4 + -4 + 9n = -50 + -4 Combine like terms: 4 + -4 = 0 0 + 9n = -50 + -4 9n = -50 + -4 Combine like terms: -50 + -4 = -54 9n = -54 Divide each side by '9'. n = -6 Simplifying n = -6
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