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Simplifying n + -30 = -3n Reorder the terms: -30 + n = -3n Solving -30 + n = -3n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '3n' to each side of the equation. -30 + n + 3n = -3n + 3n Combine like terms: n + 3n = 4n -30 + 4n = -3n + 3n Combine like terms: -3n + 3n = 0 -30 + 4n = 0 Add '30' to each side of the equation. -30 + 30 + 4n = 0 + 30 Combine like terms: -30 + 30 = 0 0 + 4n = 0 + 30 4n = 0 + 30 Combine like terms: 0 + 30 = 30 4n = 30 Divide each side by '4'. n = 7.5 Simplifying n = 7.5
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