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Simplifying 7n + -12 = n + 3 Reorder the terms: -12 + 7n = n + 3 Reorder the terms: -12 + 7n = 3 + n Solving -12 + 7n = 3 + 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. -12 + 7n + -1n = 3 + n + -1n Combine like terms: 7n + -1n = 6n -12 + 6n = 3 + n + -1n Combine like terms: n + -1n = 0 -12 + 6n = 3 + 0 -12 + 6n = 3 Add '12' to each side of the equation. -12 + 12 + 6n = 3 + 12 Combine like terms: -12 + 12 = 0 0 + 6n = 3 + 12 6n = 3 + 12 Combine like terms: 3 + 12 = 15 6n = 15 Divide each side by '6'. n = 2.5 Simplifying n = 2.5
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