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Simplifying -139 = -7(7n + -7) + 2 Reorder the terms: -139 = -7(-7 + 7n) + 2 -139 = (-7 * -7 + 7n * -7) + 2 -139 = (49 + -49n) + 2 Reorder the terms: -139 = 49 + 2 + -49n Combine like terms: 49 + 2 = 51 -139 = 51 + -49n Solving -139 = 51 + -49n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '49n' to each side of the equation. -139 + 49n = 51 + -49n + 49n Combine like terms: -49n + 49n = 0 -139 + 49n = 51 + 0 -139 + 49n = 51 Add '139' to each side of the equation. -139 + 139 + 49n = 51 + 139 Combine like terms: -139 + 139 = 0 0 + 49n = 51 + 139 49n = 51 + 139 Combine like terms: 51 + 139 = 190 49n = 190 Divide each side by '49'. n = 3.87755102 Simplifying n = 3.87755102
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