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Simplifying 4 + 7n = 3n + -20 Reorder the terms: 4 + 7n = -20 + 3n Solving 4 + 7n = -20 + 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. 4 + 7n + -3n = -20 + 3n + -3n Combine like terms: 7n + -3n = 4n 4 + 4n = -20 + 3n + -3n Combine like terms: 3n + -3n = 0 4 + 4n = -20 + 0 4 + 4n = -20 Add '-4' to each side of the equation. 4 + -4 + 4n = -20 + -4 Combine like terms: 4 + -4 = 0 0 + 4n = -20 + -4 4n = -20 + -4 Combine like terms: -20 + -4 = -24 4n = -24 Divide each side by '4'. n = -6 Simplifying n = -6
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