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Simplifying A2 + 22a + 21 = 0 Reorder the terms: 21 + A2 + 22a = 0 Solving 21 + A2 + 22a = 0 Solving for variable 'A'. Move all terms containing A to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + A2 + -21 + 22a = 0 + -21 Reorder the terms: 21 + -21 + A2 + 22a = 0 + -21 Combine like terms: 21 + -21 = 0 0 + A2 + 22a = 0 + -21 A2 + 22a = 0 + -21 Combine like terms: 0 + -21 = -21 A2 + 22a = -21 Add '-22a' to each side of the equation. A2 + 22a + -22a = -21 + -22a Combine like terms: 22a + -22a = 0 A2 + 0 = -21 + -22a A2 = -21 + -22a Simplifying A2 = -21 + -22a Reorder the terms: 21 + A2 + 22a = -21 + -22a + 21 + 22a Reorder the terms: 21 + A2 + 22a = -21 + 21 + -22a + 22a Combine like terms: -21 + 21 = 0 21 + A2 + 22a = 0 + -22a + 22a 21 + A2 + 22a = -22a + 22a Combine like terms: -22a + 22a = 0 21 + A2 + 22a = 0 The solution to this equation could not be determined.
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