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Simplifying -1[2n + -1(-7)] = 0 Multiply -1 * -7 -1[2n + 7] = 0 Reorder the terms: -1[7 + 2n] = 0 [7 * -1 + 2n * -1] = 0 [-7 + -2n] = 0 Solving -7 + -2n = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2n = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2n = 0 + 7 -2n = 0 + 7 Combine like terms: 0 + 7 = 7 -2n = 7 Divide each side by '-2'. n = -3.5 Simplifying n = -3.5
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