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Simplifying -4(1 + -7n) = -2n + -4 (1 * -4 + -7n * -4) = -2n + -4 (-4 + 28n) = -2n + -4 Reorder the terms: -4 + 28n = -4 + -2n Add '4' to each side of the equation. -4 + 4 + 28n = -4 + 4 + -2n Combine like terms: -4 + 4 = 0 0 + 28n = -4 + 4 + -2n 28n = -4 + 4 + -2n Combine like terms: -4 + 4 = 0 28n = 0 + -2n 28n = -2n Solving 28n = -2n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '2n' to each side of the equation. 28n + 2n = -2n + 2n Combine like terms: 28n + 2n = 30n 30n = -2n + 2n Combine like terms: -2n + 2n = 0 30n = 0 Divide each side by '30'. n = 0.0 Simplifying n = 0.0
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