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Simplifying -126 = -7n Solving -126 = -7n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '7n' to each side of the equation. -126 + 7n = -7n + 7n Combine like terms: -7n + 7n = 0 -126 + 7n = 0 Add '126' to each side of the equation. -126 + 126 + 7n = 0 + 126 Combine like terms: -126 + 126 = 0 0 + 7n = 0 + 126 7n = 0 + 126 Combine like terms: 0 + 126 = 126 7n = 126 Divide each side by '7'. n = 18 Simplifying n = 18
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