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Simplifying -2(n + 7) + -6n = -20 + -7n Reorder the terms: -2(7 + n) + -6n = -20 + -7n (7 * -2 + n * -2) + -6n = -20 + -7n (-14 + -2n) + -6n = -20 + -7n Combine like terms: -2n + -6n = -8n -14 + -8n = -20 + -7n Solving -14 + -8n = -20 + -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. -14 + -8n + 7n = -20 + -7n + 7n Combine like terms: -8n + 7n = -1n -14 + -1n = -20 + -7n + 7n Combine like terms: -7n + 7n = 0 -14 + -1n = -20 + 0 -14 + -1n = -20 Add '14' to each side of the equation. -14 + 14 + -1n = -20 + 14 Combine like terms: -14 + 14 = 0 0 + -1n = -20 + 14 -1n = -20 + 14 Combine like terms: -20 + 14 = -6 -1n = -6 Divide each side by '-1'. n = 6 Simplifying n = 6
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