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Simplifying -2(2n + -5) = (0.5)(-12n + 30) Reorder the terms: -2(-5 + 2n) = (0.5)(-12n + 30) (-5 * -2 + 2n * -2) = (0.5)(-12n + 30) (10 + -4n) = (0.5)(-12n + 30) Reorder the terms: 10 + -4n = 0.5(30 + -12n) 10 + -4n = (30 * 0.5 + -12n * 0.5) 10 + -4n = (15 + -6n) Solving 10 + -4n = 15 + -6n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '6n' to each side of the equation. 10 + -4n + 6n = 15 + -6n + 6n Combine like terms: -4n + 6n = 2n 10 + 2n = 15 + -6n + 6n Combine like terms: -6n + 6n = 0 10 + 2n = 15 + 0 10 + 2n = 15 Add '-10' to each side of the equation. 10 + -10 + 2n = 15 + -10 Combine like terms: 10 + -10 = 0 0 + 2n = 15 + -10 2n = 15 + -10 Combine like terms: 15 + -10 = 5 2n = 5 Divide each side by '2'. n = 2.5 Simplifying n = 2.5
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