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Simplifying 3n = 2n + 4 + 5n Reorder the terms: 3n = 4 + 2n + 5n Combine like terms: 2n + 5n = 7n 3n = 4 + 7n Solving 3n = 4 + 7n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-7n' to each side of the equation. 3n + -7n = 4 + 7n + -7n Combine like terms: 3n + -7n = -4n -4n = 4 + 7n + -7n Combine like terms: 7n + -7n = 0 -4n = 4 + 0 -4n = 4 Divide each side by '-4'. n = -1 Simplifying n = -1
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