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Simplifying 7n + 100 = 20 Reorder the terms: 100 + 7n = 20 Solving 100 + 7n = 20 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-100' to each side of the equation. 100 + -100 + 7n = 20 + -100 Combine like terms: 100 + -100 = 0 0 + 7n = 20 + -100 7n = 20 + -100 Combine like terms: 20 + -100 = -80 7n = -80 Divide each side by '7'. n = -11.42857143 Simplifying n = -11.42857143
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