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Simplifying 3n + -12 = n Reorder the terms: -12 + 3n = n Solving -12 + 3n = n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1n' to each side of the equation. -12 + 3n + -1n = n + -1n Combine like terms: 3n + -1n = 2n -12 + 2n = n + -1n Combine like terms: n + -1n = 0 -12 + 2n = 0 Add '12' to each side of the equation. -12 + 12 + 2n = 0 + 12 Combine like terms: -12 + 12 = 0 0 + 2n = 0 + 12 2n = 0 + 12 Combine like terms: 0 + 12 = 12 2n = 12 Divide each side by '2'. n = 6 Simplifying n = 6
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