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Simplifying (A + -2)(a + 7) = 0 Reorder the terms: (-2 + A)(a + 7) = 0 Reorder the terms: (-2 + A)(7 + a) = 0 Multiply (-2 + A) * (7 + a) (-2(7 + a) + A(7 + a)) = 0 ((7 * -2 + a * -2) + A(7 + a)) = 0 ((-14 + -2a) + A(7 + a)) = 0 (-14 + -2a + (7 * A + a * A)) = 0 (-14 + -2a + (7A + aA)) = 0 Reorder the terms: (-14 + 7A + -2a + aA) = 0 (-14 + 7A + -2a + aA) = 0 Solving -14 + 7A + -2a + aA = 0 Solving for variable 'A'. Move all terms containing A to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 7A + -2a + 14 + aA = 0 + 14 Reorder the terms: -14 + 14 + 7A + -2a + aA = 0 + 14 Combine like terms: -14 + 14 = 0 0 + 7A + -2a + aA = 0 + 14 7A + -2a + aA = 0 + 14 Combine like terms: 0 + 14 = 14 7A + -2a + aA = 14 Add '2a' to each side of the equation. 7A + -2a + 2a + aA = 14 + 2a Combine like terms: -2a + 2a = 0 7A + 0 + aA = 14 + 2a 7A + aA = 14 + 2a Reorder the terms: -14 + 7A + -2a + aA = 14 + 2a + -14 + -2a Reorder the terms: -14 + 7A + -2a + aA = 14 + -14 + 2a + -2a Combine like terms: 14 + -14 = 0 -14 + 7A + -2a + aA = 0 + 2a + -2a -14 + 7A + -2a + aA = 2a + -2a Combine like terms: 2a + -2a = 0 -14 + 7A + -2a + aA = 0 The solution to this equation could not be determined.
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