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Simplifying -2n + -3(-8n + 7) = 189 Reorder the terms: -2n + -3(7 + -8n) = 189 -2n + (7 * -3 + -8n * -3) = 189 -2n + (-21 + 24n) = 189 Reorder the terms: -21 + -2n + 24n = 189 Combine like terms: -2n + 24n = 22n -21 + 22n = 189 Solving -21 + 22n = 189 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + 22n = 189 + 21 Combine like terms: -21 + 21 = 0 0 + 22n = 189 + 21 22n = 189 + 21 Combine like terms: 189 + 21 = 210 22n = 210 Divide each side by '22'. n = 9.545454545 Simplifying n = 9.545454545
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