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Simplifying 84 = -42n Solving 84 = -42n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '42n' to each side of the equation. 84 + 42n = -42n + 42n Combine like terms: -42n + 42n = 0 84 + 42n = 0 Add '-84' to each side of the equation. 84 + -84 + 42n = 0 + -84 Combine like terms: 84 + -84 = 0 0 + 42n = 0 + -84 42n = 0 + -84 Combine like terms: 0 + -84 = -84 42n = -84 Divide each side by '42'. n = -2 Simplifying n = -2
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