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Simplifying 2A2 + 3a = 90 Solving 2A2 + 3a = 90 Solving for variable 'A'. Move all terms containing A to the left, all other terms to the right. Add '-3a' to each side of the equation. 2A2 + 3a + -3a = 90 + -3a Combine like terms: 3a + -3a = 0 2A2 + 0 = 90 + -3a 2A2 = 90 + -3a Divide each side by '2'. A2 = 45 + -1.5a Simplifying A2 = 45 + -1.5a Reorder the terms: -45 + A2 + 1.5a = 45 + -1.5a + -45 + 1.5a Reorder the terms: -45 + A2 + 1.5a = 45 + -45 + -1.5a + 1.5a Combine like terms: 45 + -45 = 0 -45 + A2 + 1.5a = 0 + -1.5a + 1.5a -45 + A2 + 1.5a = -1.5a + 1.5a Combine like terms: -1.5a + 1.5a = 0.0 -45 + A2 + 1.5a = 0.0 The solution to this equation could not be determined.
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