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Simplifying A2 + 21a + 104 = 0 Reorder the terms: 104 + A2 + 21a = 0 Solving 104 + A2 + 21a = 0 Solving for variable 'A'. Move all terms containing A to the left, all other terms to the right. Add '-104' to each side of the equation. 104 + A2 + -104 + 21a = 0 + -104 Reorder the terms: 104 + -104 + A2 + 21a = 0 + -104 Combine like terms: 104 + -104 = 0 0 + A2 + 21a = 0 + -104 A2 + 21a = 0 + -104 Combine like terms: 0 + -104 = -104 A2 + 21a = -104 Add '-21a' to each side of the equation. A2 + 21a + -21a = -104 + -21a Combine like terms: 21a + -21a = 0 A2 + 0 = -104 + -21a A2 = -104 + -21a Simplifying A2 = -104 + -21a Reorder the terms: 104 + A2 + 21a = -104 + -21a + 104 + 21a Reorder the terms: 104 + A2 + 21a = -104 + 104 + -21a + 21a Combine like terms: -104 + 104 = 0 104 + A2 + 21a = 0 + -21a + 21a 104 + A2 + 21a = -21a + 21a Combine like terms: -21a + 21a = 0 104 + A2 + 21a = 0 The solution to this equation could not be determined.
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