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Simplifying -7(-5n + -7) = -257 Reorder the terms: -7(-7 + -5n) = -257 (-7 * -7 + -5n * -7) = -257 (49 + 35n) = -257 Solving 49 + 35n = -257 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 + 35n = -257 + -49 Combine like terms: 49 + -49 = 0 0 + 35n = -257 + -49 35n = -257 + -49 Combine like terms: -257 + -49 = -306 35n = -306 Divide each side by '35'. n = -8.742857143 Simplifying n = -8.742857143
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