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Simplifying -1n + 3 = -7(n + 3) Reorder the terms: 3 + -1n = -7(n + 3) Reorder the terms: 3 + -1n = -7(3 + n) 3 + -1n = (3 * -7 + n * -7) 3 + -1n = (-21 + -7n) Solving 3 + -1n = -21 + -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. 3 + -1n + 7n = -21 + -7n + 7n Combine like terms: -1n + 7n = 6n 3 + 6n = -21 + -7n + 7n Combine like terms: -7n + 7n = 0 3 + 6n = -21 + 0 3 + 6n = -21 Add '-3' to each side of the equation. 3 + -3 + 6n = -21 + -3 Combine like terms: 3 + -3 = 0 0 + 6n = -21 + -3 6n = -21 + -3 Combine like terms: -21 + -3 = -24 6n = -24 Divide each side by '6'. n = -4 Simplifying n = -4
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