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Simplifying b2 + a2 = 2b + 7a + 4 Reorder the terms: a2 + b2 = 2b + 7a + 4 Reorder the terms: a2 + b2 = 4 + 7a + 2b Solving a2 + b2 = 4 + 7a + 2b Solving for variable 'a'. Reorder the terms: -4 + -7a + a2 + -2b + b2 = 4 + 7a + 2b + -4 + -7a + -2b Reorder the terms: -4 + -7a + a2 + -2b + b2 = 4 + -4 + 7a + -7a + 2b + -2b Combine like terms: 4 + -4 = 0 -4 + -7a + a2 + -2b + b2 = 0 + 7a + -7a + 2b + -2b -4 + -7a + a2 + -2b + b2 = 7a + -7a + 2b + -2b Combine like terms: 7a + -7a = 0 -4 + -7a + a2 + -2b + b2 = 0 + 2b + -2b -4 + -7a + a2 + -2b + b2 = 2b + -2b Combine like terms: 2b + -2b = 0 -4 + -7a + a2 + -2b + b2 = 0 The solution to this equation could not be determined.
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