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Simplifying a(n) = -4 + (n + -1)(5) Multiply a * n an = -4 + (n + -1)(5) Reorder the terms: an = -4 + (-1 + n)(5) Reorder the terms for easier multiplication: an = -4 + 5(-1 + n) an = -4 + (-1 * 5 + n * 5) an = -4 + (-5 + 5n) Combine like terms: -4 + -5 = -9 an = -9 + 5n Solving an = -9 + 5n Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Divide each side by 'n'. a = -9n-1 + 5 Simplifying a = -9n-1 + 5 Reorder the terms: a = 5 + -9n-1
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