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Simplifying A2 + -18a + 13 = 9 Reorder the terms: 13 + A2 + -18a = 9 Solving 13 + A2 + -18a = 9 Solving for variable 'A'. Move all terms containing A to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + A2 + -13 + -18a = 9 + -13 Reorder the terms: 13 + -13 + A2 + -18a = 9 + -13 Combine like terms: 13 + -13 = 0 0 + A2 + -18a = 9 + -13 A2 + -18a = 9 + -13 Combine like terms: 9 + -13 = -4 A2 + -18a = -4 Add '18a' to each side of the equation. A2 + -18a + 18a = -4 + 18a Combine like terms: -18a + 18a = 0 A2 + 0 = -4 + 18a A2 = -4 + 18a Simplifying A2 = -4 + 18a Reorder the terms: 4 + A2 + -18a = -4 + 18a + 4 + -18a Reorder the terms: 4 + A2 + -18a = -4 + 4 + 18a + -18a Combine like terms: -4 + 4 = 0 4 + A2 + -18a = 0 + 18a + -18a 4 + A2 + -18a = 18a + -18a Combine like terms: 18a + -18a = 0 4 + A2 + -18a = 0 The solution to this equation could not be determined.
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