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Simplifying 2 + -3[7n + 7] = -61 Reorder the terms: 2 + -3[7 + 7n] = -61 2 + [7 * -3 + 7n * -3] = -61 2 + [-21 + -21n] = -61 Combine like terms: 2 + -21 = -19 -19 + -21n = -61 Solving -19 + -21n = -61 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '19' to each side of the equation. -19 + 19 + -21n = -61 + 19 Combine like terms: -19 + 19 = 0 0 + -21n = -61 + 19 -21n = -61 + 19 Combine like terms: -61 + 19 = -42 -21n = -42 Divide each side by '-21'. n = 2 Simplifying n = 2
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