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Simplifying 3n + -7 = n + 5 Reorder the terms: -7 + 3n = n + 5 Reorder the terms: -7 + 3n = 5 + n Solving -7 + 3n = 5 + 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. -7 + 3n + -1n = 5 + n + -1n Combine like terms: 3n + -1n = 2n -7 + 2n = 5 + n + -1n Combine like terms: n + -1n = 0 -7 + 2n = 5 + 0 -7 + 2n = 5 Add '7' to each side of the equation. -7 + 7 + 2n = 5 + 7 Combine like terms: -7 + 7 = 0 0 + 2n = 5 + 7 2n = 5 + 7 Combine like terms: 5 + 7 = 12 2n = 12 Divide each side by '2'. n = 6 Simplifying n = 6
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