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Simplifying -3(7n + -6) + 3 = 0 Reorder the terms: -3(-6 + 7n) + 3 = 0 (-6 * -3 + 7n * -3) + 3 = 0 (18 + -21n) + 3 = 0 Reorder the terms: 18 + 3 + -21n = 0 Combine like terms: 18 + 3 = 21 21 + -21n = 0 Solving 21 + -21n = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + -21n = 0 + -21 Combine like terms: 21 + -21 = 0 0 + -21n = 0 + -21 -21n = 0 + -21 Combine like terms: 0 + -21 = -21 -21n = -21 Divide each side by '-21'. n = 1 Simplifying n = 1
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