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Simplifying n + 4 = 3n Reorder the terms: 4 + n = 3n Solving 4 + 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. 4 + n + -3n = 3n + -3n Combine like terms: n + -3n = -2n 4 + -2n = 3n + -3n Combine like terms: 3n + -3n = 0 4 + -2n = 0 Add '-4' to each side of the equation. 4 + -4 + -2n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -2n = 0 + -4 -2n = 0 + -4 Combine like terms: 0 + -4 = -4 -2n = -4 Divide each side by '-2'. n = 2 Simplifying n = 2
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