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Simplifying an = 2a(n + -1) + -1 Reorder the terms: an = 2a(-1 + n) + -1 an = (-1 * 2a + n * 2a) + -1 an = (-2a + 2an) + -1 Reorder the terms: an = -1 + -2a + 2an Solving an = -1 + -2a + 2an Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '2a' to each side of the equation. 2a + an = -1 + -2a + 2a + 2an Combine like terms: -2a + 2a = 0 2a + an = -1 + 0 + 2an 2a + an = -1 + 2an Add '-2an' to each side of the equation. 2a + an + -2an = -1 + 2an + -2an Combine like terms: an + -2an = -1an 2a + -1an = -1 + 2an + -2an Combine like terms: 2an + -2an = 0 2a + -1an = -1 + 0 2a + -1an = -1 Reorder the terms: 1 + 2a + -1an = -1 + 1 Combine like terms: -1 + 1 = 0 1 + 2a + -1an = 0 The solution to this equation could not be determined.
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