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Simplifying 84 + -7n = 0 Solving 84 + -7n = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-84' to each side of the equation. 84 + -84 + -7n = 0 + -84 Combine like terms: 84 + -84 = 0 0 + -7n = 0 + -84 -7n = 0 + -84 Combine like terms: 0 + -84 = -84 -7n = -84 Divide each side by '-7'. n = 12 Simplifying n = 12
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