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Simplifying -7(-1n + 7) = -91 Reorder the terms: -7(7 + -1n) = -91 (7 * -7 + -1n * -7) = -91 (-49 + 7n) = -91 Solving -49 + 7n = -91 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '49' to each side of the equation. -49 + 49 + 7n = -91 + 49 Combine like terms: -49 + 49 = 0 0 + 7n = -91 + 49 7n = -91 + 49 Combine like terms: -91 + 49 = -42 7n = -42 Divide each side by '7'. n = -6 Simplifying n = -6
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