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Simplifying 20 + -12i = 5a + (4b) * i Remove parenthesis around (4b) 20 + -12i = 5a + 4b * i Multiply b * i 20 + -12i = 5a + 4bi Solving 20 + -12i = 5a + 4bi Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-4bi' to each side of the equation. 20 + -4bi + -12i = 5a + 4bi + -4bi Combine like terms: 4bi + -4bi = 0 20 + -4bi + -12i = 5a + 0 20 + -4bi + -12i = 5a Add '-20' to each side of the equation. 20 + -4bi + -20 + -12i = -20 + 5a Reorder the terms: 20 + -20 + -4bi + -12i = -20 + 5a Combine like terms: 20 + -20 = 0 0 + -4bi + -12i = -20 + 5a -4bi + -12i = -20 + 5a Reorder the terms: 20 + -5a + -4bi + -12i = -20 + 5a + 20 + -5a Reorder the terms: 20 + -5a + -4bi + -12i = -20 + 20 + 5a + -5a Combine like terms: -20 + 20 = 0 20 + -5a + -4bi + -12i = 0 + 5a + -5a 20 + -5a + -4bi + -12i = 5a + -5a Combine like terms: 5a + -5a = 0 20 + -5a + -4bi + -12i = 0 The solution to this equation could not be determined.
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