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Simplifying 10 = 3 + -3(7n + -2) Reorder the terms: 10 = 3 + -3(-2 + 7n) 10 = 3 + (-2 * -3 + 7n * -3) 10 = 3 + (6 + -21n) Combine like terms: 3 + 6 = 9 10 = 9 + -21n Solving 10 = 9 + -21n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '21n' to each side of the equation. 10 + 21n = 9 + -21n + 21n Combine like terms: -21n + 21n = 0 10 + 21n = 9 + 0 10 + 21n = 9 Add '-10' to each side of the equation. 10 + -10 + 21n = 9 + -10 Combine like terms: 10 + -10 = 0 0 + 21n = 9 + -10 21n = 9 + -10 Combine like terms: 9 + -10 = -1 21n = -1 Divide each side by '21'. n = -0.04761904762 Simplifying n = -0.04761904762
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