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Simplifying 42 = 2 + -2n Solving 42 = 2 + -2n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '2n' to each side of the equation. 42 + 2n = 2 + -2n + 2n Combine like terms: -2n + 2n = 0 42 + 2n = 2 + 0 42 + 2n = 2 Add '-42' to each side of the equation. 42 + -42 + 2n = 2 + -42 Combine like terms: 42 + -42 = 0 0 + 2n = 2 + -42 2n = 2 + -42 Combine like terms: 2 + -42 = -40 2n = -40 Divide each side by '2'. n = -20 Simplifying n = -20
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