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Simplifying sqrt(x2 + 9) + sqrt(x2 + 16) = 7 Reorder the terms: qrst(9 + x2) + sqrt(x2 + 16) = 7 (9 * qrst + x2 * qrst) + sqrt(x2 + 16) = 7 (9qrst + qrstx2) + sqrt(x2 + 16) = 7 Reorder the terms: 9qrst + qrstx2 + qrst(16 + x2) = 7 9qrst + qrstx2 + (16 * qrst + x2 * qrst) = 7 9qrst + qrstx2 + (16qrst + qrstx2) = 7 Reorder the terms: 9qrst + 16qrst + qrstx2 + qrstx2 = 7 Combine like terms: 9qrst + 16qrst = 25qrst 25qrst + qrstx2 + qrstx2 = 7 Combine like terms: qrstx2 + qrstx2 = 2qrstx2 25qrst + 2qrstx2 = 7 Solving 25qrst + 2qrstx2 = 7 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Reorder the terms: -7 + 25qrst + 2qrstx2 = 7 + -7 Combine like terms: 7 + -7 = 0 -7 + 25qrst + 2qrstx2 = 0 The solution to this equation could not be determined.
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