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Simplifying an = an + -1 + 2an + -2 Reorder the terms: an = -1 + -2 + an + 2an Combine like terms: -1 + -2 = -3 an = -3 + an + 2an Combine like terms: an + 2an = 3an an = -3 + 3an Solving an = -3 + 3an Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3an' to each side of the equation. an + -3an = -3 + 3an + -3an Combine like terms: an + -3an = -2an -2an = -3 + 3an + -3an Combine like terms: 3an + -3an = 0 -2an = -3 + 0 -2an = -3 Divide each side by '-2n'. a = 1.5n-1 Simplifying a = 1.5n-1
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