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Simplifying A(n) = -7 + (n + -1)(5) Multiply A * n nA = -7 + (n + -1)(5) Reorder the terms: nA = -7 + (-1 + n)(5) Reorder the terms for easier multiplication: nA = -7 + 5(-1 + n) nA = -7 + (-1 * 5 + n * 5) nA = -7 + (-5 + 5n) Combine like terms: -7 + -5 = -12 nA = -12 + 5n Solving nA = -12 + 5n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-5n' to each side of the equation. -5n + nA = -12 + 5n + -5n Combine like terms: 5n + -5n = 0 -5n + nA = -12 + 0 -5n + nA = -12 Reorder the terms: 12 + -5n + nA = -12 + 12 Combine like terms: -12 + 12 = 0 12 + -5n + nA = 0 The solution to this equation could not be determined.
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