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Simplifying ab + 2a + 2b + 4 = 0 Reorder the terms: 4 + 2a + ab + 2b = 0 Solving 4 + 2a + ab + 2b = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + 2a + ab + -4 + 2b = 0 + -4 Reorder the terms: 4 + -4 + 2a + ab + 2b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 2a + ab + 2b = 0 + -4 2a + ab + 2b = 0 + -4 Combine like terms: 0 + -4 = -4 2a + ab + 2b = -4 Add '-2b' to each side of the equation. 2a + ab + 2b + -2b = -4 + -2b Combine like terms: 2b + -2b = 0 2a + ab + 0 = -4 + -2b 2a + ab = -4 + -2b Reorder the terms: 4 + 2a + ab + 2b = -4 + -2b + 4 + 2b Reorder the terms: 4 + 2a + ab + 2b = -4 + 4 + -2b + 2b Combine like terms: -4 + 4 = 0 4 + 2a + ab + 2b = 0 + -2b + 2b 4 + 2a + ab + 2b = -2b + 2b Combine like terms: -2b + 2b = 0 4 + 2a + ab + 2b = 0 The solution to this equation could not be determined.
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