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Simplifying A2 + 21 = -10a Reorder the terms: 21 + A2 = -10a Solving 21 + A2 = -10a 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 + -21 + A2 = -21 + -10a Combine like terms: 21 + -21 = 0 0 + A2 = -21 + -10a A2 = -21 + -10a Simplifying A2 = -21 + -10a Reorder the terms: 21 + A2 + 10a = -21 + -10a + 21 + 10a Reorder the terms: 21 + A2 + 10a = -21 + 21 + -10a + 10a Combine like terms: -21 + 21 = 0 21 + A2 + 10a = 0 + -10a + 10a 21 + A2 + 10a = -10a + 10a Combine like terms: -10a + 10a = 0 21 + A2 + 10a = 0 The solution to this equation could not be determined.
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