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Simplifying 3 = 2n + -12 Reorder the terms: 3 = -12 + 2n Solving 3 = -12 + 2n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2n' to each side of the equation. 3 + -2n = -12 + 2n + -2n Combine like terms: 2n + -2n = 0 3 + -2n = -12 + 0 3 + -2n = -12 Add '-3' to each side of the equation. 3 + -3 + -2n = -12 + -3 Combine like terms: 3 + -3 = 0 0 + -2n = -12 + -3 -2n = -12 + -3 Combine like terms: -12 + -3 = -15 -2n = -15 Divide each side by '-2'. n = 7.5 Simplifying n = 7.5
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