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Simplifying 3n + -5 = -21 + n Reorder the terms: -5 + 3n = -21 + n Solving -5 + 3n = -21 + 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. -5 + 3n + -1n = -21 + n + -1n Combine like terms: 3n + -1n = 2n -5 + 2n = -21 + n + -1n Combine like terms: n + -1n = 0 -5 + 2n = -21 + 0 -5 + 2n = -21 Add '5' to each side of the equation. -5 + 5 + 2n = -21 + 5 Combine like terms: -5 + 5 = 0 0 + 2n = -21 + 5 2n = -21 + 5 Combine like terms: -21 + 5 = -16 2n = -16 Divide each side by '2'. n = -8 Simplifying n = -8
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