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Simplifying 171 = 9 + 9n Solving 171 = 9 + 9n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-9n' to each side of the equation. 171 + -9n = 9 + 9n + -9n Combine like terms: 9n + -9n = 0 171 + -9n = 9 + 0 171 + -9n = 9 Add '-171' to each side of the equation. 171 + -171 + -9n = 9 + -171 Combine like terms: 171 + -171 = 0 0 + -9n = 9 + -171 -9n = 9 + -171 Combine like terms: 9 + -171 = -162 -9n = -162 Divide each side by '-9'. n = 18 Simplifying n = 18
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