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Simplifying 1 + -7n + 1 = -19 Reorder the terms: 1 + 1 + -7n = -19 Combine like terms: 1 + 1 = 2 2 + -7n = -19 Solving 2 + -7n = -19 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -7n = -19 + -2 Combine like terms: 2 + -2 = 0 0 + -7n = -19 + -2 -7n = -19 + -2 Combine like terms: -19 + -2 = -21 -7n = -21 Divide each side by '-7'. n = 3 Simplifying n = 3
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